Question

Estimate the area of the circle shown A) 4 cm^2B) 6 cm^2C) 12 cm^2

Answer 1

Remember that

the area of the circle is equal to

`A=\pi r^2`

we have

r=2.17 cm ------> round down -------> r=2 cm

pi=3.14 -------> round down ------> pi=3

therefore

A=(3)(2)^2

A=12 cm2