Circle Worksheet

1 a.

r = 7.2 cm

Calculate the area of the circle.

 

 

1 b.

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r = 7.7 cm

Calculate the area of the circle.

 

 

2 a.

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d = 4.7 mm

Calculate the area of the circle.

 

 

2 b.

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r = 4.5 in

Calculate the area of the circle.

 

 

3 a.

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r = 3.7 m

Calculate the circumference of the circle.

 

 

3 b.

d = 7.5 ft

Calculate the circumference of the circle.

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  162.78 cm2
1 b.  186.17 cm2
2 a.  17.34 mm2
2 b.  63.59 in2
3 a.  23.24 m
3 b.  23.55 ft


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