1. Which is closest to the length of the walkway?
Mr. Elliott designed a flower garden in the shape of a square. He plans to build a walkway through the garden, as show to the right.
Which is closest to the length of the walkway?
A 36 ft
B 24 ft
C 17 ft
D 13 ft
Problem #1
Obj 8 - TAKS th [8.9(A)]

2. Rectangle STUV is similar to rectangle LMNO.
If the area of rectangle STUV is 72 square units, what is the area of rectangle LMNO?
A 36 units2
B 24 units2
C 18 units2
D 12 units2
Problem #2
Obj 8 - TAKS th [8.10(A)]

3. Jonathan shipped a birthday gift to his grandmother in a cubical box.
Which is the closest to the surface area of the box?
A 16 square feet
B 15 square feet
C 8 square feet
D 38 square feet
Problem #3
Obj 8 - TAKS th [8.8(C)]

4. Trapezoid STUV is similar to trapezoid NOPQ.
What is the length of segment OP? A B C D
Problem #4
Obj 8 - TAKS th [8.9(B)]

5. Find the length of segment JK.
∆EFG is similar to ∆HJK.
Find the length of segment JK.
A. 3 units
B. 7 units
C. 14 units
D units
Problem #5
Obj 8 - TAKS th [8.9(B)]

6. A cell-phone tower that has a transmission range of 50 miles is located 40 miles due south of a straight road.
Find x, the length of the section of road that is within the transmission range of the tower.
A. 10 mi
B. 30 mi
C. 60 mi
D. 90 mi
Problem #6
Obj 8 - TAKS th [8.9(A)]

7. For small paving jobs, a contractor uses a roller pushed by a worker.
To the nearest square inch, what is the area of pavement with which the surface of the roller will come into contact in one complete revolution?
A 753 in.2
B 1,507 in.2
C 1,708 in.2
D 1,909 in.2
Problem #7
Obj 8 - TAKS th [8.8(A)]

8. A cardboard box is 60 inches long, 18 inches wide, and 24 inches high
A cardboard box is 60 inches long, 18 inches wide, and 24 inches high. Which is closest to the volume of the box in cubic feet?
A ft3
B 15 ft3
C 18 ft3
D 24 ft3
Problem #8
Obj 8 - TAKS th [8.8(C)]

9. The dimensions of two cubes are shown below.
The volume of the smaller cube is 64 cubic feet. Find the
volume of the larger cube.
A 16,384 ft3
B 4,096 ft3
C 768 ft3
D 256 ft3
Problem #9
Obj 8 - TAKS th [8.10(B)]

10. If TSR is similar to TNM, what is the length of x?
A 240 units
B 140 units
C 120 units
D 70 units
Problem #10
Obj 8 - TAKS th [8.9(B)]

11. A cylindrical water tank has a radius of 2. 8 feet and a height of 5
A cylindrical water tank has a radius of 2.8 feet and a height of 5.6 feet. The water tank is filled to the top. If water can be pumped out at a rate of 36 cubic feet per minute, about how long will it take to empty the water tank?
A 3 h
B 2 h
C 4 min
D 1 min
Problem #11
Obj 8 - TAKS th [8.8(C)]

12. A square park has a diagonal walkway from 1 corner to another
A square park has a diagonal walkway from 1 corner to another. If the walkway is about 38 yards long, what is the approximate length of each side of the park?
A 6 yd
B 19 yd
C 27 yd
D 54 yd
Problem #12
Obj 8 - TAKS th [8.9(A)]

13. Tony and Edwin each built a rectangular garden
Tony and Edwin each built a rectangular garden. Tony’s garden is twice as long and twice as wide as Edwin’s garden. If the area of Edwin’s garden is 600 square feet, what is the area of Tony’s garden?
A ft2
B ft2
C ft2
D ft2
Problem #13
Obj 8 - TAKS th [8.10(A)]

14. The scale factor of two similar polygons is 2:3
The scale factor of two similar polygons is 2:3. The perimeter of the larger polygon is 150 centimeters. What is the perimeter of the smaller polygon?
A 100 cm
B 75 cm
C 50 cm
D 150 cm
Problem #14
Obj 8 - TAKS th [8.10(A)]

15. The owners of Neatly Packaged Company make a cylindrical container that has the dimensions shown.
What is the approximate lateral surface area available for the package label?
A in.2
B in.2
C in.2
D in.2
Problem #15
Obj 8 - TAKS th [8.8(C)]

16. Mrs. Cheung hired a landscaping service to plant a row of bushes around her triangular backyard.
If the bushes must be planted 3 feet apart, approximately how many bushes are needed for Mrs. Cheung’s backyard?
A 23
B 25
C 28
D 32
Problem #16
Obj 8 - TAKS th [8.9(A)]

17. If the dimensions of a rectangle with a perimeter of 24 inches are tripled, what will be the perimeter in inches of the new rectangle?
Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.
Problem #17
Obj 8 - TAKS th [8.10(A)]

18. A triangular prism is shown to the right.
What is the volume of this triangular prism?
A 192 in.3
B 240 in.3
C 384 in.3
D 480 in.3
Problem #18
Obj 8 - TAKS th [8.8(B)]

19. Steven has a cylindrical fish tank with a diameter of 8 inches and a height of 14 inches. He placed some rocks that took up 50 cubic inches at the bottom of the tank. Then he filled the tank with springwater to 2 inches from the top. Which is the best strategy for determining the volume the fish has for swimming?
A π(8)2(14)– 50
B π(8)2(14 – 2) – 50
C π(4)2(14 – 2) – 50
D π(14 – 2)2(4) – 50
Problem #19
Obj 8 - TAKS th [8.8(B)]

20. To estimate the height of her school’s gym, Nicole sights the top of the gym wall in a mirror that she has placed on the ground. The mirror is 3.6 meters from the base of the gym wall.
Nicole is standing 0.5 meter from the mirror, and her height is about 1.8 meters. What is the height of the gym wall?
A 1 m
B 5.9 m
C 7.2 m
D m
Problem #20
Obj 8 - TAKS th [8.9(B)]

21. A 2 units by 3 units by 4 units B 4 units by 2 units by 8 units
Which set of dimensions corresponds to a rectangular prism similar to the one shown to the right?
A 2 units by 3 units by 4 units
B 4 units by 2 units by 8 units
C 2 units by 1 unit by 6 units
D 4 units by 3 units by 6 units
Problem #21
Obj 8 - TAKS th [G.F1(A)]

22. A rectangle has a length of 4 feet and a perimeter of 14 feet
A rectangle has a length of 4 feet and a perimeter of 14 feet. What is the perimeter of a similar rectangle with a width of 9 feet?
A 36 ft
B 42 ft
C 108 ft
D 126 ft
Problem #22
Obj 8 - TAKS th [G.F1(B)]

23. A The length is 2 times the original length.
If the surface area of a cube is increased by a factor of 4, what is the change in the length of the sides of the cube?
A The length is 2 times the original length.
B The length is 4 times the original length.
C The length is 6 times the original length.
D The length is 8 times the original length.
Problem #23
Obj 8 - TAKS th [G.F1(D)]

24. Which expression could be used to determine how far Kim walked?
Kim walked diagonally across a rectangular field that measured 100 feet by 240 feet.
Which expression could be used to determine how far Kim walked? A B C D
Problem #24
Obj 8 - TAKS th [G.E1(C)]

25. What is the area of the unshaded part of the rectangle to the right?
A 19,000 ft2
B 45,000 ft2
C 28,000 ft2
D 26,000 ft2
Problem #25
Obj 8 - TAKS th [G.E1(A)]

26. A frozen dinner is divided into 3 sections on a circular plate with a 12-inch diameter.
What is the approximate length of the arc of the section containing peas?
A 3 inches
B 21 inches
C 16 inches
D 5 inches
Problem #26
Obj 8 - TAKS th [G.E1(B)]

27. About how many feet of fencing are needed to enclose a rectangular garden with a 30-foot-long side and a 40-foot-long diagonal?
A 113 ft
B 133 ft
C 140 ft
D 160 ft
Problem #27
Obj 8 -TAKS th [G.E1(C)]

28. Kate has 2 similar triangular pieces of paper, as shown to the right.
Using the dimensions given, find the approximate length of the side labeled p.
A. 2.4 centimeters
B. 7.3 centimeters
C centimeters
D centimeters
Problem #28
Obj 8 - TAKS th [8.9(B)]

29. A. The area is reduced by half. B. The area remains constant.
Describe the effect on the area of a circle when the radius is doubled.
A. The area is reduced by half.
B. The area remains constant.
C. The area is doubled.
D. The area is increased four times.
Problem #29
Obj 8 - TAKS th [8.10(A)]

30. What is the volume of the cube? A. 216 cubic inches
A 72-inch piece of wire was cut into equal segments, which were then soldered at the ends to form the edges of a cube.
What is the volume of the cube?
A. 216 cubic inches
B. 576 cubic inches
C. 729 cubic inches
D cubic inches
Problem #30
Obj 8 - TAKS th [8.8(C)]

31. In a town there is a small garden shaped like a triangle, as shown to the right. The side of the garden that faces Sixth Street is 80 feet in length. The side of the garden that faces Third Avenue is 30 feet in length.
What is the approximate length of the side of the garden that faces Elm Street?
A. 35 ft
B. 40 ft
C. 85 ft
D. 110 ft
Problem #31
Obj 8 - TAKS th [8.9(A)]

32. The drawing shows part of the plan for a new underground lawn-sprinkler system.
Which is closest to the length of the section of plastic pipe from point A to point C?
A. 4.7 ft
B. 5.7 ft
C. 6.7 ft
D. 7.7 ft
Problem #32
Obj 8 - TAKS th [8.9(A)]

33. A certain parallelogram has the dimensions shown.
Which set of dimensions would produce a similar figure?
A cm, 88 cm
B cm, 176 cm
C cm, 132 cm
D cm, 220 cm
Problem #33
Obj 8 - TAKS th [8.9(B)]

34. The edges of a large cube are 4 times longer that the edges of a small cube. How many times greater is the volume of the large cube?
A. 4 times
B. 12 times
C. 16 times
D. 64 times
Problem #34
Obj 8 - TAKS th [8.10(B)]

35. Ginny made a cylindrical clay vase for her art project
Ginny made a cylindrical clay vase for her art project. If the vase has a volume of 339 cubic inches and a diameter of 6 inches, which is closest to the height of the vase?
A. 36 inches
B. 18 inches
C. 12 inches
D. 3 inches
Problem #35
Obj 8 - TAKS th [8.8(C)]

36. The scale of two similar quadrilaterals is 1:2
The scale of two similar quadrilaterals is 1:2. The perimeter of the smaller quadrilateral is 80 centimeters. What is the perimeter of the larger quadrilateral?
A. 40 cm
B. 80 cm
C. 160 cm
D. 320 cm
Problem #36
Obj 8 - TAKS th [8.19(A)]

37. Use the information in each diagram to find the pair of similar polygons.
B D.
Problem #37
Obj 8 - TAKS th [G.F1(A)]

38. A triangle with vertices (1, 2), (5, 2), and (3, –2) is shown below.
Problem #38
Obj 8 - TAKS th [G.F1(A)]

39. Which triangle below is similar to the original figure?
Problem #38
Obj 8 - TAKS th [G.F1(A)]

40. A rectangular solid has a volume of 24 cubic decimeters
A rectangular solid has a volume of 24 cubic decimeters. If the length, width, and height are all changed to half their original size, what will be the new volume of the rectangular solid?
A. 3 cubic decimeters
B. 4 cubic decimeters
C. 6 cubic decimeters
D. 12 cubic decimeters
Problem #39
Obj 8 - TAKS th [G.F1(D)]

41. In El Paso, Texas, the streets named Hercules Avenue, Honda Pass Drive, and Trans Mountain Road are parallel. They all intersect Dyer Street and U.S. Route 54, as shown on the map.
If all these streets are straight line segments, how long is Dyer Street between Hercules Avenue and Trans Mountain Road?
A. 8,450 ft
B. 9,900 ft
C. 13,200 ft
D. 19,800 ft
Problem #40
Obj 8 - TAKS th G.F1(B)]

42. The total area of trapezoid FGHJ is 52 square inches.
What is the approximate length of segment FJ?
A. 8.0 inches
B. 8.5 inches
C inches
D inches
Problem #41
Obj 8 - TAKS th G.E1(C)]

43. Find the approximate volume of this oatmeal container.
Oatmeal is packaged in a cylindrical container with the dimensions shown in the drawing.
Find the approximate volume of this oatmeal container.
A. 471 cubic centimeters
B. 566 cubic centimeters
C cubic centimeters
D cubic centimeters
Problem #42
Obj 8 - TAKS th G.E1(D)]

44. Mrs. Lee bought a small rectangular box that contains 10 tightly packaged erasers shaped like rectangular prisms, as shown below.
What is the approximate volume in cubic centimeters of this rectangular box?
F cm3
G cm3
H cm3
J cm3
Problem #43
Obj 8 - TAKS th 8.8(C)]

45. If the dimensions of a rectangle are doubled,
which of the following best describes an effect
on the rectangle?
F. The new area will be 2 times as large as
the original area.
G. The new area will be 8 times as large as
H. The new perimeter will be 4 times as
large as the original perimeter.
J. The new perimeter will be 2 times as
Problem #44
Obj 8 - TAKS th 8.10(A)]

46. Which is closest to the lateral surface area of a single coffee can?
The student council members are making decorative labels to cover 20 identical empty coffee cans for a charity drive. Each label will cover the entire lateral surface area of a can.
Which is closest to the lateral surface area of a single coffee can?
A. 186 in.2
B. 157 in.2
C. 195 in.2
D. 128 in.2
Problem #45
Obj 8 - TAKS th 8.8(C)]

47. Mr. Carpenter built a wooden gate, as shown below.
Which is closest to the length in feet of the diagonal board that Mr. Carpenter used to brace the wooden gate?
A. 4.9 ft
B. 5.3 ft
C. 6.1 ft
D. 6.9 ft
Problem #46
Obj 8 - TAKS th 8.9(A)]

48. If ML = 10 centimeters, what is the length of MN? F. 6.25 cm G. 8.3 cm
MNQ is similar to MLP.
If ML = 10 centimeters, what is the length of MN?
F cm
G cm
H cm
J cm
Problem #47
Obj 8 - TAKS th 8.9(B)]

49. Trapezoid KMPR is similar to trapezoid LNQS.
Which is closest to the perimeter of trapezoid LNQS?
A units
B units
C units
D units
Problem #48
Obj 8 - TAKS th 8.9(B)]

50. The owner of an amusement park created a circular maze
that has a diameter of 50 feet.
If the owner doubles the radius of the maze, which statement describes what will happen to the circumference and area of the maze?
A. The circumference and the area will double.
B. The circumference and the area will quadruple.
C. The circumference will double, and the area will quadruple.
D. The circumference will quadruple, and the area will double.
Problem #49
Obj 8 - TAKS th 8.10(A)]

51. used to completely fill this sandbox? A. 81 B. 19 C. 972 D. 116
Mr. Bergman built a rectangular sandbox for his children, as shown below.
If each 50-pound bag contains approximately 0.70 cubic foot of sand, which is closest to the number of bags of sand that Mr. Bergman
used to completely fill this sandbox?
A. 81
B. 19
C. 972
D. 116
Problem #50
Obj 8 - TAKS th 8.8(C)]

52. Look at the cylinder shown below.
Which equation best represents the volume, V, of this
cylinder in terms of ?
Problem #51
Obj 8 - TAKS th 8.8(B)]

53. Jeremy’s house is 45 feet wide. In a photograph the width
of the house was 2.5 inches, and its height was 2 inches.
What is the actual height of Jeremy’s house?
A. 18 ft
B. 26 ft
C. 32 ft
D. 36 ft
Problem #52
Obj 8 - TAKS th 8.9(B)]

54. A slide was installed at the local swimming pool, as shown below.
Which is closest to the length of the slide?
A. 29 ft
B. 16 ft
C. 21 ft
D. 81 ft
Problem #53
Obj 8 - TAKS th 8.9(A)]

55. WY is 10 centimeters long. Find the length of XZ. F. 5 cm G. 10 cm
WXY is isosceles.
WY is 10 centimeters long. Find the length of XZ.
F cm
G cm
H cm
J cm
Problem #54
Obj 8 - TAKS th G.E1(C)]

56. Mr. Kelly’s company manufactures a
cylindrical soup can that has a diameter of
6 inches and a volume of 226 cubic inches. If
the diameter stays the same and the height is
doubled, what will happen to the can’s volume?
A. It will remain the same.
B. It will double.
C. It will triple.
D. It will quadruple.
Problem #55
Obj 8 - TAKS th G.F1(D)]

57. A diagram of a power/volume control knob on a stereo is shown below.
When the stereo is turned on and the knob is turned to a volume level of 5, the knob is rotated 100° from its off position. What is the approximate arc length of the path traveled by the knob’s rotation from the off position to a volume level of 5?
F mm
G mm
H. 22 mm
J mm
Problem #56
Obj 8 - TAKS th G.E1(B)]

58. Henry built a wooden storage shed in the shape of a rectangular prism for his tools. The figure below shows the dimensions of the storage shed.
If Henry plans to paint only the top, front, left, and right sides of his shed, which is closest to the surface area that will be painted?
A ft2
B ft2
C ft2
D. 91ft2
Problem #57
Obj 8 - TAKS th G.E1(D)]

59. The figure below shows a CD in its rectangular storage case.
Which is closest to the area of the storage case
not occupied by the CD?
A cm2
B cm2
C cm2
D cm2
Problem #58
Obj 8 - TAKS th G.E1(A)]

60. In the figures below, HKM ~ RTV, and the
area of HKM is equal to 10 square units.
What is the area of RTV?
A square units
B square units
C square units
D square units
Problem #59
Obj 8 - TAKS th G.F1(B)]