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Valentin [98]
3 years ago
12

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 lo

ng is the ramp?( also that's a pretty tall porch!)
Mathematics
1 answer:
mixas84 [53]3 years ago
6 0

Answer:

81

Step-by-step explanation:

sin 31 = 42/x

x sin 31 = 42

x = (sin 31)/42

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