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Each half of a drawbridge is 284 feet long. When one half of the bridge is raised, the vertical rise is 142 feet. What is the measure of the angle, marked with an x on the image, formed by the bridge and
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Sep 15, 2022
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Each half of a drawbridge is 284 feet long. When one half of the bridge is raised, the
vertical rise is 142 feet. What is the measure of the angle, marked with an x on the
image, formed by the bridge and the horizontal? Round your answer to the nearest
degree, and enter the number only.
Mathematics
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Mehul Chuahan
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Hello,
First, sin(x) = O/H
Next, sin(x) ->> x = sin^-1(O/H)
Last, x = sin^-1(142/284) = 30°
30° makes sense because this scenario of a drawbridge creates a 30-60-90 triangle.
Good luck to you! Any questions, ask away.
SChang
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Sep 19, 2022
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SChang
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