Circle Worksheet

1 a.

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r = 3 mm

Calculate the area of the circle.

 

 

1 b.

d = 4.3 cm

Calculate the area of the circle.

 

 

2 a.

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d = 9.8 in

Calculate the area of the circle.

 

 

2 b.

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d = 9.5 mm

Calculate the area of the circle.

 

 

3 a.

||
d = 9.9 mm

Calculate the area of the circle.

 

 

3 b.

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d = 2 in

Calculate the area of the circle.

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  28.26 mm2
1 b.  14.51 cm2
2 a.  75.39 in2
2 b.  70.85 mm2
3 a.  76.94 mm2
3 b.  3.14 in2


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