Question

A windshield wiper is 1.5m long. It's one end is fixed at the point O. The other end

moves from point A to point B by 75°.
Find the area swept by the wiper. Note: Enter your answer in terms of л.
A
1 = 1.5 m
75°
O
diuc?
B
wiper

Answer 1

1) 1.5 meters

2) 75° or (5/12)π radians

3) A = (5/12)πr^2

4) A = (5/12)π(1.5^2)

= 15π/16 square meters

= about 2.95 square meters