Question

The radius of a circle is 6 inches. What is the circle's area?

Answer 1

`113.1 " sq. inches " "`to 1 dp

Explanation:

the area of a circle is given by the formula
`A=pir^2`

where `r=`the radius

so if `r=6 " inches"`

`:. A=pixx6^2=pixx36=36pi`

`=113.1 " sq. inches " "`to 1 dp