Question

Look at the image and answer it

Answer 1

14
`\pi`

units = cm

Explanation:

circumference = 2 x
`\pi` x r

c = 2 x
`\pi` x 7 - it's 7 because the diameter is 14 and radius is half the diameter

c = 14 x
`\pi`

c = 43.98229715

in terms of pi c = 14
`\pi`

units = cm

Answer 2

The circumference of circle is 14π cm.

Explanation:

Given that the formula of circumference is C = 2×π×r where r represents radius of circle. In this case, diameter of circle is 14cm so the radius will be 7cm. Then, you have to substitute the value into the formula :

`c = 2 * \pi * r`

`let \: r = 7`

`c = 2 * \pi * 7`

`c = 14\pi \: \: cm`