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Answer Key
Name
4
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Date
LESSON
Class
Practice B
8-6 Area of Circles
Find the area of each circle to the nearest tenth. Use 3.14 for .
1.
2.
6m
4.
3.
8 ft
7 yd
5.
11 in.
5 cm
7.
6.
3 mm
8.
9.
10 m
10 in.
13 cm
10.
11.
4 cm
12.
8 ft
9 km
13. A penny has a diameter of 0.750 inches. What is the area
of a penny to the nearest hundredth?
14. A Susan B. Anthony dollar coin has a diameter of 26.50 millimeters.
What is the area of the coin to the nearest hundredth?
15. A tablecloth for a round table has a radius of 21 inches.
22
What is the area of the tablecloth? Use 7 for .
16. On a dartboard, the bull’s-eye has a diameter of 7 centimeters.
What is the area of the bull’s-eye to the nearest tenth?
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57
Holt Middle School Math Course 2