Question

Find the area and the circumference of a circle with radius 3 cm.

Write your answers in terms of it, and be sure to include the correct units in your answers.

Answer 1

1. Observe problem

Solve for the area and Circumference of a circle who's radius is 3 cm

Area for circle formula:

pi*r^2=

9pi

I simplicity is needed, 9 pi is around

28.2743338823cm^2

Circumference for circle formula: 2*pi*r

which is

6pi

if simplicity is again needed, its around

18.8495559215cm