If a road has a grade of 30°, this means that it’s angle of elevation is 30°. If you travel 1.5 miles on this road, how much elevation have

Question

If a road has a grade of 30°, this means that it’s angle of elevation is 30°. If you travel 1.5 miles on this road, how much elevation have you gained in feet (5280 ft = 1 mile)? Round to the nearest foot.

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Josephine 2 weeks 2021-09-07T20:26:19+00:00 1 Answer 0

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    2021-09-07T20:27:27+00:00

    Answer:

    3960 feet.

    Step-by-step explanation:

    sin 30 = elevation / hypotenuse

    sin 30 = e / 1.5

    e = 1.5 * sin 30

    e = 1.5 * 0.5 = 0.75 miles

    = 0.75 * 5280

    = 3960 feet.

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