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
he nearest tenth of a degree, if its final height is 5 feet.
1 answer:
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°.
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