Free Printable Circumference & Area of Circles (Intro)

1.

Which is NOT a circumference formula?

a)

$2\times\pi\times r$

b)

$\pi\times r\times r$

c)

$\pi\times d$

2.

Which is NOT a formula to calculate area of a circle?

a)

$2\pi r$

b)

$\pi r^2$

c)

$\pi\times r\times r$

3.

The circumference of a circle with a radius of 12cm is

a)

$2\times\pi\times12$

b)

$\pi\times12\times12$

c)

$\pi\times12$

d)

$12\div\pi$

4.

The area of a circle with a radius of 12cm is

a)

$2\times\pi\times12$

b)

$\pi\times12\times12$

c)

$\pi\times12$

d)

$12\div\pi$

5.

The circumference of a circle with a radius of 8cm is

a)

$\pi\times24$

b)

$\pi\times8$

c)

$2\times\pi\times8$

d)

$\pi\times8\times8$

6.

The area of a circle with a radius of 8cm is

a)

$\pi\times16$

b)

$\pi\times8$

c)

$2\times\pi\times8$

d)

$\pi\times8\times8$

7.

The area of a circle with a radius of 20m is

a)

$\pi\times20\times20$

b)

$\pi\times40$

c)

$2\times\pi\times20$

d)

$40\div\pi$

8.

The circumference of a circle with a radius of 20m is

a)

$\pi\times20\times20$

b)

$\pi\times40$

c)

$2\times\pi\div20$

d)

$40\div\pi$

9.

The area of a circle with a radius of 45m is

a)

$\pi\times45$

b)

$\pi\times45\times45$

c)

$2\times\pi\times45$

d)

$\pi\times45+45$

10.

The circumference of a circle with a radius of 45m is

a)

$\pi\times45$

b)

$\pi\times45\times45$

c)

$2\times\pi\times45$

d)

$\pi\times45+45$

Circumference & Area of Circles (Intro)

Total questions: 10

Worksheet time: 4mins

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