Question

A ramp 22 feet long in length rises to a platform 11 feet off the ground, What is the angle of elevation

Answer 1

Explanation:

The 11 ft elevation is the OPPOSITE leg and the 22ft ramp is the HYPOTENUSE of a right triangle

Recall that sinΦ = OPPOSITE LEG / HYPOTENUSE for right triangles

sin Φ = 11/22

Φ = arcsin (11/22) = 30 degrees