# Diameter 41 cm what is the perimeter of a circle?

Mar 7, 2018

$128.81$

#### Explanation:

Because you know the diameter of the circle, the formula would be

$P = \Pi \times D$ (Perimeter equals Pi times Diameter)

So plugging what you know into the equation...

$P = 3.14 \times 41 c m$

Which equals

$128.81$