Задание
Here is the cross section of a rubber ball of outside diameter 22 cm. The thickness of the rubber is 0.5 cm.
What is the area of the inside surface of the ball to the nearest \(cm^2?\)
\(1,385 cm^2\)
\(1,452 cm^2\)
\(1,521 cm^2\)
\(4,849 cm^2\)