Asked by kate
A ramp leading to a freeway overpass is 470 feet long and rises 32 feet. What is the angle of inclination of the ramp?
Answers
Answered by
MathMate
If the ramp is 470 ft long, it was measured along the ramp, so it is the hypotenuse. The rise of 32 ft. is the vertical diference in elevations.
The angle of inclination is thus
sin<sup>-1</sup>32/470 = a little less than 4°.
The angle of inclination is thus
sin<sup>-1</sup>32/470 = a little less than 4°.
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