diameter of coin is 26 mm inlength.Find circumference & area of coin .

3 answers

C = π * d

A = 1/4 * π * d^2

I'll let you do the calculations.
I'm really confused.Can't seem to getii.
C = 3.14 * 26

A = pi * r^2
A = 3.14 * 13^2

That will give you the area of one side of the coin.