Circle Worksheet

1 a.

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r = 1 mm

Calculate the circumference of the circle.

 

 

1 b.

r = 4.5 m

Calculate the area of the circle.

 

 

2 a.

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r = 6 mm

Calculate the circumference of the circle.

 

 

2 b.

d = 8.5 yd

Calculate the circumference of the circle.

 

 

3 a.

r = 6.8 ft

Calculate the circumference of the circle.

 

 

3 b.

d = 2.2 m

Calculate the circumference of the circle.

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  6.28 mm
1 b.  63.59 m2
2 a.  37.68 mm
2 b.  26.69 yd
3 a.  42.7 ft
3 b.  6.91 m


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