Question

If the diameter is 15.5 cm what is the circumference

Answer 1

48.7 cm

Explanation:

Diameter times pi

Answer 2

see below

Explanation:

The circumference is given by

C = pi *d

C = 15.5 pi

If we approximate pi by 3.14

C = 15.5 * 3.14

C =48.67

If we use the pi button

C =48.69486813