Question

A mountain road drops 5.2 m for every 22.5 m of the road. Calculate the angle at which the road is inclined to the horizontal.​

Answer 1

13°

Explanation:

sin(Ф)= opposite/ hypothenuse

sin(Ф) = 5.2/22.5

Ф= sin∧-1 (5.2/22.5)

Ф= 13.36°