SOLUTION: A railroad bridge in one city has a low clearance for trucks. An Engineer standing 21 ft away measures a 15.9 degrees angle of elevation from her eye level of 5.6 ft to the bottom

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Question 1188474: A railroad bridge in one city has a low clearance for trucks. An Engineer standing 21 ft away measures a 15.9 degrees angle of elevation from her eye level of 5.6 ft to the bottom of the bridge. if the road is flat between the engineer and the bridge, how high over the roadway is the bottom of the bridge? round to nearest inch
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.

how high over the roadway is the bottom of the bridge = 5.6 + 21*tan(15.9°)  feet.


You do the calculations.

Solved.