Question

The diameter of a circle is 5 in. Find its area to the nearest tenth.
quick answers

Answer 1

A=19.6 sqr. in.

Explanation:

For a circle:

A=(Pi)r^2

d/2=r --> 5/2=2.5

A=(Pi)2.5^2

A=(Pi)6.25

A=19.625 --> rounded: A=19.6 sqr. in.