Question

4.


A small pizza has a diameter of 21 cm.

What is the approximate circumference of the pizza?$\pi$= 3.14.

Answer 1

Well, circumference formula is pi times diameter.
$C= \pi d$
So, all you have to do is multiply the given diameter by pi to get your circumference in centimeters.
21·3.14=65.94

Circumference is 65.94 centimeters

65.94cm