Question

The diameter of a circle is 8 cm. Find its circumference in terms of pi

Answer 1

25.13 or 8 × pi

Explanation:

diameter × pi = circumference

Answer 2

8π

Explanation:

formula for circumference of a circle=

C=2πr, r= radius

the radius is the diameter divided by 2

radius= 8/2=4

plug into formula

C=2π4

multiply 2 and 4

C=8π