How much will it cost to paint a circular patio of radius 7 m if the cost of the paint per square meter is \(\$2.00\)?
\(\$308.00\)
Explanation
The area of the patio \(=\pi r^{2}=\pi\left(7^{2}\right)=49 \pi^{2}=154 s q . m\) . Therefore the cost of painting the patio \( = \$154 \times 2 = \$308.00\)