Circle Worksheet

1 a.

d = 9 cm

Calculate the radius of the circle.

 

 

1 b.

||
r = 8.6 mm

Calculate the diameter of the circle.

 

 

2 a.

d = 1.4 cm

Calculate the radius of the circle.

 

 

2 b.

r = 6.5 in

Calculate the diameter of the circle.

 

 

3 a.

r = 3.7 cm

Calculate the diameter of the circle.

 

 

3 b.

r = 4.3 m

Calculate the diameter of the circle.

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  4.5 cm
1 b.  17.2 mm
2 a.  0.7 cm
2 b.  13 in
3 a.  7.4 cm
3 b.  8.6 m


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