A wheelchair ramp rises from the ground at a 4.5 degree angle of elevation. The end of the ramp is 3 ft. above the ground. How l

Question

Rudik [331]

3 years ago

9

A wheelchair ramp rises from the ground at a 4.5 degree angle of elevation. The end of the ramp is 3 ft. above the ground. How l

ong is the ramp? Round your answer to the nearest tenth of a foot.

Mathematics

2 answers:

qaws [65] · Answer 1 · 2022-06-05T03:38:09+03:00

qaws [65]3 years ago

8 0

Answer:

1)38.2 ft

2) 24

3) 10.9m

Doss [256] · Answer 2 · 2022-06-05T02:14:10+03:00

<span>the longitude of the ramp is determined by the Hypotenuse, we have the angle(4.5Âş), and the opposite side (3ft), so with the Sin(x) trigonometric function ( sin(x)=opposite/hypotenuse ) we can calculate the answer.
Using the formula, hypotenuse=opposite/sin(x)
Hypotenuse=3ft/sin(4.5)
hypotenuse=3ft/0.0784591
hypotenuse=38.236482
the ramp must be 38.2 ft long. the calc must be in degrees to get an accurate answer to any trigonometric function</span>