deleogabr202197 deleogabr202197

23-06-2020
Mathematics

contestada

A wheelchair access ramp has an angle of elevation of 31 degrees. If the ramp reaches to the top of a 42 inch high porch, how long is the ramp?( also that's a pretty tall porch!)

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akshayk1969 akshayk1969

23-06-2020

Answer:

81

Step-by-step explanation:

sin 31 = 42/x

x sin 31 = 42

x = (sin 31)/42

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