Question

Find the area of the circle. Correct to the nearest HUNDREDTH.
r=5cm
A=pi r ^2

Answer 1

Just use the calculator and round ir to the nearest hundreth....

Answer 2

notice, you're given the formula of the area to use \(\bf \textit{area of a circle}=\pi {\color{blue}{ r}}^2\qquad {\color{blue}{ r}}=5\)

Answer 3

use pi=3.14159

Answer 4

\(\huge \pi\) is a constant... so it has a value... check your calculator, then multiply that by \(\bf r^2\)