The blade of a windshield wiper sweeps out an angle of 135° in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? Round answer to one decimal place.

Possible Answers Given:

1036.8 in^2
169.6 in^2
1206.4 in^2
1376.0 in^2
471.2 in^2

Please show work and explain.... I am really struggling with this problem.