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yuradex [85]
3 years ago
10

BRAINLIEST! will give BRAINLY! can someone please explain, I don't understand how to do this.

Mathematics
1 answer:
kirza4 [7]3 years ago
8 0

Answer:

101.58 in

Step-by-step explanation:

The ramp r is the hypotenuse of a right triangle with the ground and 28 in height being the legs.

The angle of elevation 16° is the angle inside the triangle opposite the 28 in height.

Using the sine ratio in the right triangle, then

sin16° = \frac{opposite}{hypotenuse} = \frac{28}{r} ( multiply both sides by r )

r × sin16° = 28 ( divide both sides by sin16° )

r = \frac{28}{sin16} ≈ 101.58 in

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