SOLUTION: a ramp is to be built from the ground to a doorway that is 4.5 feet above the ground.What will be the length of the ramp if it makes an angle of 22 degrees with the ground?

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Question 430198: a ramp is to be built from the ground to a doorway that is 4.5 feet above the ground.What will be the length of the ramp if it makes an angle of 22 degrees with the ground?
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Solution: Let x ft the length of the ramp. Solving the right triangle we have:
sin%2822%29=4.5%2Fx
x=4.5%2Fsin%2822%29
x=12ft.
Answer: The length of the ramp is approximately 12 feet.