The figure above shows the path traced by the hand of a scale as it moves from A to B. What is the area, in square inches, of the region passed over by the scale's hand?
A. 2π
B. 8π
C. 12π
D. 16π
Answer:B
The figure above shows the path traced by the hand of a scale as it moves from A to B. What is the area, in square inches, of the region passed over by the scale's hand?
A. 2π B. 8π C. 12π D. 16π
Explanation: B