Question

If my diameter is 90cm, what is my circumference?

Answer 1

About 282.735cm

Explanation:

The formula for circumference is
`\pi d`, meaning that the circmference is about 282.735 centimeters. Hope this helps!

Answer 2

C = 90pi cm or approximately 282.6 cm

Explanation:

The circumference of a circle is given by

C = pi*d

C = pi *90

C = 90pi

We can approximate pi by 3.14

C = 90*3.14

C =282.6