SOLUTION: A 40-foot-long escalator rises from the first floor to the second floor. The escalator makes a 30 degree angle with the horizontal. How high above the first floor is the second flo

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Question 424117: A 40-foot-long escalator rises from the first floor to the second floor. The escalator makes a 30 degree angle with the horizontal. How high above the first floor is the second floor?
Answer by Gersid(33) About Me  (Show Source):
You can put this solution on YOUR website!
You can use the Sine function to solve this problem:
Sin%2830%29+=+h%2F40 h = the height of the second floor above the first. Solve for h:
h+=+40%2ASin%2830%29
h+=+20
The second floor is 20 feet above the first floor.