February 23, 2017

Homework Help: Trig

Posted by Anonymous on Saturday, October 24, 2009 at 11:58am.

The state highway commission has decided to build a bridge over a dangerous railroad crossing. The approach ramp has to be constructed so that the bridge is 10 meters above the track. If the maximum desired grade of this ramp is 4 degrees, how far back from the edge of the bridge must the ramp start?

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