asked 12.1k views
4 votes
The tip of an 11-inch wiper blade wipes a path that is 31 inches long. What is the angle of rotation of the blade in radians to the nearest tenth?

2 Answers

4 votes

2.8 radians is the answer.

answered
User Viilpe
by
8.6k points
3 votes
length of arc = Cr where C = angle of rotation and r = radius

31 = C*11

C = 31/11 = 2.8 radians to nearest tenth
answered
User Bert Regelink
by
8.6k points
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