Answer to Question #140909 in Trigonometry for Ria

Question #140909

The grade of a road is 3%.
a) Calculate the vertical climb, in meters, for a horizontal distance of 1.5 km.
b) Calculate the run, in kilometers, necessary to reach the top of an 81 m high hill.

Expert's answer

a) "c=1500*0.03=45\\ m."

b) "r=\\frac{81}{0.03}=2700 \\ m=2.7 \\ km."

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