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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.)
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Dec 27, 2019
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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.)
Mathematics
middle-school
EraftYps
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The mnemonic
SOH
CAH TOA helps you remember the relevant trig relationship is
S
in(α) =
O
pposite/
H
ypotenuse
sin(α) = (1 ft)/(14 ft)
α = arcsin(1/14) ≈ 4°
The angle the ramp makes with the sidewalk is 4°.
SEoF
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Dec 30, 2019
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SEoF
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