1. Regular Polygons
In this square the apothem is 5 cm. What is the perimeter of this square?
If the apothem in this square is 8 in., What is the perimeter of the square?

2. The perimeter of a regular octagon is 56 feet
The perimeter of a regular octagon is 56 feet. What is the area of the octagon?

3. Equation of a Circle A. (x+5)²+(y-3)²=25 B. (x-6)²+(y+2)²=49
C. (x+2)²+(y-1)²=81
D. x²+(y+4)=16
The endpoints of a diameter of a circle are (2,6) and (-2,2). Write the equation of the circle.
Diameter endpoints are (-2,-3) and (4,7). Write the equation of the circle.

4. Area of a Circle The radius of the large circle is 8 in
Area of a Circle The radius of the large circle is 8 in., and the radius of the small circle is 4 in. What is the area of the ring?

5. Area of a Sector
The radius of the small circle is 3 cm., the radius of the large circle is 5cm. What is the area of sector A? A

6. Area of Composite Figures
The storage shed is 4 feet wide. What is the approximate area of the storage shed?
12 ft
45 ft
20 ft
35 ft

7. The length of ZW is 20. m<YWX = (2x+30) and m<WYX = (x)
The length of ZW is 20. m<YWX = (2x+30) and m<WYX = (x). What is the measure of arc WX? Y Z W Z X

8. Similar Figures How are these circles related
Similar Figures How are these circles related? (Compare the area, circumference, and radii.)

9. Tangents to a Circle
The measure of angle XWZ is 60 degrees. What is the measure of angle XYZ?

10. Which angles are congruent. What do we know about the chords
Which angles are congruent? What do we know about the chords? Which angles are inscribed angles? Which angles are central angles?

11. Points P(-3,5) ,Q(1,7), R(8,1), and S(-4,-5) are connected to form a trapezoid.
Find the area and perimeter of the trapezoid.

12. Find the midpoint of longest side.