Question

Find the exact circumference of a circle with diameter equal to 8 ft. 8 ft. 16 ft. 64 ft.

Answer 1

The correct answer is,

circumference = 8π feet

Explanation:

Formula:-

Circumference of a circle = 2πr

Or circumference = πd

Where 'r' is the radius of circle and 'd' is the diameter of circle

It is given that, diameter of circle is 8 feet

To find the circumference

Here d= 8 feet

Circumference = πd = π * 8 = 8π feet

Answer 2

8π ft

EXPLANATION

The circumference of a circle is calculated using the formula C=πd.

Where d=8 is the diameter of the circle.

We substitute d=8 into the formula to obtain,

C=8π ft.

Because we are looking for the exact circumference, we leave the answer in terms of π.