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a wheelchair ramp has a rise from the ground of 1 foot. the ramp has a length of 14 feet. to the nearest degree, find the angle the ramp makes with the sidewalk. (the figure is not drawn to scale.)

User EraftYps
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1 Answer

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The mnemonic SOH CAH TOA helps you remember the relevant trig relationship is
Sin(α) = Opposite/Hypotenuse
sin(α) = (1 ft)/(14 ft)
α = arcsin(1/14) ≈ 4°

The angle the ramp makes with the sidewalk is 4°.
User SEoF
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