Math seventh grade

Question

What is the circumference and area of a circle with a radius wig 4 meters?

Answer 1

Here is what we know.

Pi equals 3.14

Radius is 4

Circumference formula is C=2Pir

Area formula is A=Pir^

Circumference:

C=2 x 3.14 x 4

C=25.12

Area:

A=3.14 x 4^

A=3.14 x 16

A=50.24