Quarter 4 Test 11 XLIX. Area of Polygons LI. Surface Area of Rectangular Prisms LII. Volume of Rectangular Prisms.

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Presentation transcript:

Quarter 4 Test 11 XLIX. Area of Polygons LI. Surface Area of Rectangular Prisms LII. Volume of Rectangular Prisms

A tabletop shaped like a trapezoid has parallel bases of 40 cm and 62 cm and a height of 34 cm. Find the area. 62cm 34cm 40cm A=(b 1 + b 2 )h 2 A=(62+40)34 2 A= 1,734 cm 2

The area of a square is 49 square meters. If the area of the square is increased by 4 times, how many times greater is the length of the new square compared to the original square? The length of the new square is two times greater.

The area of a parallelogram is 99 square inches. Its height is 9 inches. What is the base of the parallelogram? Solve algebraically. Answer: A = bh 99 = 9b 9 9 b = 11 inches

A bulletin board is shaped like a trapezoid. If the bases are 45cm and 65cm and the height is 40cm, what is the area? A=(b 1 +b 2 )h 2 A=(45+65)40 2 A=2,200cm 2

Find the volume of the rectangular prism. 11cm 16cm 6cm V=lwh V=16(6)11 V=1,056cm 3

Find the area of a trapezoid having a height of 32in. and parallel bases measuring 49in. and 61in. 61in. 32in. 49in. A=(b 1 +b 2 )h 2 A=(61+49)32 2 A=1,760in. 2

How many tiles 4 inches on each side will be needed to cover a floor measuring 8 feet by 7 feet? 504 tiles will be needed.

Find the surface area of the rectangular prism. 17 mm 40 mm SA= 2(19 x 40) + 2(40 x 17) + 2(19 x 17) SA= 2(760) + 2(680) + 2(323) SA= 1, , SA= 3,526 square mm 19 mm

Find the area of the triangle. 13cm 16cm 22cm A=1/2 bh A=.5(16)13 A=104cm 2