Question

Find the area of a circle whose diameter is 14cm​

Answer 1

Area = pi•r^2

Diameter = 14cm
1m=100cm so it is 0.14m

Radius= 0.14/2 = 0.07m

Plug in everything

THE ANSWER IS
0.015m

Answer 2

A≈153.94

Explanation:

A=πr2

d=2r

A=1 /4 x π x d^2

=1 /4 x π x 142 ≈ 153.93804