Circle Worksheet

1 a.

r = 1.8 cm

Calculate the area of the circle.

 

 

1 b.

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d = 7.7 cm

Calculate the area of the circle.

 

 

2 a.

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d = 1.6 mm

Calculate the area of the circle.

 

 

2 b.

r = 8.7 ft

Calculate the area of the circle.

 

 

3 a.

d = 9 ft

Calculate the area of the circle.

 

 

3 b.

r = 6.1 cm

Calculate the area of the circle.

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  10.17 cm2
1 b.  46.54 cm2
2 a.  2.01 mm2
2 b.  237.67 ft2
3 a.  63.59 ft2
3 b.  116.84 cm2


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