Question

find the area of the circle and the radius is 10m

Answer 1

100pi

Answer 2

Pir^2=A
pi(10)^2=A
314.15etc :)

Answer 3

just use a calculator. Diameter times Pi.
Radius is 10, but that's only half. We need to find the long way to make this easier.
if 10 is half, 20 must be whole, because half means %50.
20 times 3.14= 62.8

Answer 4

cant we also do pix10 Squared?

Answer 5

Yeah.

Answer 6

It just make's it easier in my opinion.