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98 POINT! A wheelchair ramp must form an angle no greater than 4.8 degrees with the ground. If a 1.8 foot high ramp is needed, what is the minimum horizontal length for the ramp so it satisfies the angle requirement?

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Answer:

The horizontal length must be at least 21. 4 ft

Step-by-step explanation:

We can use trigonometry to solve.

tan theta = opposite  side over adjacent side

tan 4.8 = 1.8/ x  where x is the horizontal side

Multiply each side by x

x tan 4.8 = 1.8

Divide each side by tan 4.8

x = 1.8 / tan 4.8

x = 21.4356283 ft

The horizontal length must be at least 21. 4 ft

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