SOLUTION: 1. Two gears of radii 3.5 cm and 5.8 cm are adjusted so that the smaller gear drives the larger one, as shown. If the smaller gear rotates counterclockwise through 225°, through h

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: 1. Two gears of radii 3.5 cm and 5.8 cm are adjusted so that the smaller gear drives the larger one, as shown. If the smaller gear rotates counterclockwise through 225°, through h      Log On


   

Question 1187997: 1. Two gears of radii 3.5 cm and 5.8 cm are adjusted so that the smaller gear drives the larger one, as shown. If the smaller gear rotates counterclockwise through 225°, through how many degrees will the larger gear rotate?
2. A jeepney has a windshield wiper on the driver’s side that has total arm and blade 10 inches long and rotates back and forth through an angle of 95°. The shaded region in the figure is the portion of the windshield cleaned by the 7-inch wiper blade. What is the area of the region cleaned? thankk uu so much...
Answer by ikleyn(52793) About Me  (Show Source):
You can put this solution on YOUR website!
.

The angles are in inverse proportion to radii:


    225_degrees%2Fx_degrees = 5.8%2F3.5


It gives


    x = %28225%2A3.5%29%2F5.8 = 135.7759  degrees . . . ANSWER

Solved.