Circle Worksheet

1 a.

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r = 8.6 mm

Calculate the circumference of the circle.

 

 

 

 

 

 

 

1 b.

r = 8 mm

Calculate the circumference of the circle.

 

 

 

 

 

 

 

2 a.

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d = 5.6 cm

Calculate the circumference of the circle.

 

 

 

 

 

 

 

2 b.

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d = 2.3 mm

Calculate the circumference of the circle.

 

 

 

 

 

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  54.01 mm
1 b.  50.24 mm
2 a.  17.58 cm
2 b.  7.22 mm


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