A wheelchair ramp is to be built beside the steps to the campus library. Find the angle of elevation of the 20-foot ramp, to t

Question

2 years ago

5

he nearest tenth of a degree, if its final height is 5 feet.

1 answer:

Helga [31] · Answer 1 · 2022-05-22T05:47:46+03:00

Helga [31]2 years ago

8 0

Answer:

14.5°

Step-by-step explanation:

length of ramp, l = 20 foot

height of ramp, h = 5 foot

Let θ is the angle of inclination

Sin θ = h/l

Sin θ = 5 / 20

Sin θ = 0.25

θ = 14.5°

Thus, the inclination of ramp is 14.5°.

A wheelchair ramp is to be built beside the steps to the campus library. Find the angle of elevation of the 20​-foot ​ramp, to t