SOLUTION: What is the height of a five foot ladder that is leaning against a wall at a 30 degree angle?

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Question 252634: What is the height of a five foot ladder that is leaning against a wall at a 30 degree angle?
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
You have probably drawn a picture. The ladder (hypotenuse) = 5 ft. The ladder makes an angle of 30 degrees. WE have a 30-60-90 triangle. The side opposite the 30 degree angle is 1/2 the hypotenuse. The ladder rests 2.5 feet up the wall.