SOLUTION: A brick 5cm thick is placed against a wheel for a stop the horizontal distance of face of brick stopping the wheel from the point where the wheel touches the ground is 15cm . what'

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Question 1061382: A brick 5cm thick is placed against a wheel for a stop the horizontal distance of face of brick stopping the wheel from the point where the wheel touches the ground is 15cm . what's the radius of the wheel?
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
The Pythagorean theorem says that R%5E2=%28R-5%29%5E2%2B15%5E2 .
R%5E2=%28R-5%29%5E2%2B15%5E2
R%5E2=R%5E2-10R%2B25%2B225
0=-10R%2B250
10R=250
R=250%2F10
highlight%28R=25%29