Circle Worksheet

1 a.

r = 9.6 mm

Calculate the area of the circle.

 

 

1 b.

r = 5.6 in

Calculate the area of the circle.

 

 

2 a.

r = 1.6 in

Calculate the circumference of the circle.

 

 

2 b.

||
r = 2.2 cm

Calculate the area of the circle.

 

 

3 a.

r = 8.1 cm

Calculate the area of the circle.

 

 

3 b.

||
d = 8.8 m

Calculate the area of the circle.

 

 

Page 2

Answer Key

Answers are rounded to 2 decimals.

1 a.  289.38 mm2
1 b.  98.47 in2
2 a.  10.05 in
2 b.  15.2 cm2
3 a.  206.02 cm2
3 b.  60.79 m2


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