Question

a wheelchair ramp has an angle of elevation of 15 degrees. if the ramp reaches to the top of a 22 inch high porch, how long is the ramp

Answer 1

22.8

Explanation:

ASSUMING LONG IS LONGEST SIDE....

Using trig, we have an angle, the opposite side and we want the hypotenuse.

SOH CAH TOA

cos = a/h

h = a/cos

h = 22.776in