Question

If a circle has the diameter of 8, what is the circumference?

Answer 1

`Cir` `cumference=25.14......`

Explanation:

`Note` `th` `at` `pi=22/7`

`Radius=r`

`Radius` `o` `f` `ci` `rcl` `e` `=(Diameter)/2=8/2=4`

`Cir` `cumference` `=2pir=2pi(4)=8pi`

`rarr=8*22/7=176/7=25.14......`