Question

8π
The measure of central angle QRS is ³ radians.
9
What is the area of the shaded sector?
O 36π units²
O 72π units²
O 144π units²
O 324π units²

Answer 1

Answer: Option 3

Step-by-step explanation:

$A=\frac{1}{2}(18)^2 \left(\frac{8\pi}{9} \right)=144\pi$