SOLUTION: A 33-foot ramp forms an angle of 21° with the ground, which is horizontal. Which of the following is an expression for the unknown side of the triangle? The following figure fr

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Question 1141803: A 33-foot ramp forms an angle of 21° with the ground, which is horizontal. Which of the following is an expression for the unknown side of the triangle?
The following figure from my ACT practice test: https://i.imgur.com/fT7ixcw.jpg

Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
cosine should immediately come to mind.

cos%2821%29=yourquestionmark%2F33