SOLUTION: The elevated entrance of a house is 4.25ft high. The angle of elevation of a ramp from the ground to the entrance is 10 degrees. How long is the ramp? Find the horizontal distance

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Question 1165178: The elevated entrance of a house is 4.25ft high. The angle of elevation of a ramp from the ground to the entrance is
10 degrees. How long is the ramp? Find the horizontal distance of the far end of the ramp to the porch.

Answer by ikleyn(52858) About Me  (Show Source):
You can put this solution on YOUR website!
.

Let L be the length of the entrance (horizontal dimension).


To find L, you have this equation


    tan(10°) = 4.25%2FL.


Therefore,  L = 4.25%2Ftan%2810%5Eo%29.


The rest is on you.