Free Printable Circumference and Area of Circles

1.

Which formula is the correct one for calculating the circumference of a circle?

a)

$C=\pi r$

b)

$C=\pi D$

c)

$C=\pi r^2$

d)

$C=\pi D^2$

2.

If the diameter of a circle is 6 cm, how do you calculate the circumference?

a)

$\pi\times6$

b)

$\pi\times12$

c)

$\pi\times3$

d)

$\pi\times3^2$

3.

If the radius of a circle is 6cm, how do you calculate the circumference?

a)

$\pi\times6$

b)

$\pi\times12$

c)

$\pi\times3$

d)

$\pi\times3^2$

4.

a)

A

b)

B

c)

C

d)

D

5.

a)

A

b)

B

c)

C

d)

D

6.

a)

A

b)

B

c)

C

d)

D

7.

Which formula is the correct one for finding the area of a circle?

a)

$A=\pi r$

b)

$A=\pi D$

c)

$A=\pi r^2$

d)

$A=\pi D^2$

8.

If the radius of a circle is 6cm, what is the correct calculation to find the area?

a)

$\pi\times6$

b)

$\pi\times12$

c)

$\pi\times6^2$

d)

$\pi\times3^2$

9.

If the diameter of a circle is 6cm, what is the correct calculation to find the area?

a)

$\pi\times6$

b)

$\pi\times12$

c)

$\pi\times6^2$

d)

$\pi\times3^2$

10.

a)

A

b)

B

c)

C

d)

D

11.

a)

A

b)

B

c)

C

d)

D

12.

a)

A

b)

B

c)

C

d)

D

Circumference and Area of Circles

Total questions: 12

Worksheet time: 9mins

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