Question

The diameter of a circle is 3 inches. What is the area?

Answer 1

`7.07 "in"^2`

Explanation:

`A= pir^2`

`r=d/2`

Since diameter is given as 3 inches:
`r=3/2` inches

Then area is equal to:

`A= pi(3/2)^2`

`A=(9pi)/4approx 7.07 "in"^2`