Question

Find the area and round to the nearest tenth

d=10 cm a=? cm^2

A=pie r^2 (use 3.14 for pie)

Answer 1

10/2=5
5^2=25
25x3.14=78.5

Answer 2

If you are finding the area of a circle, then use A=pi x radius^2

A= 3.14 x 5^2(since 5 is half of 10)
A= 3.14 x 25
A=78.50 cm^2