SOLUTION: Suppose that you need to find the height of a tall building. Standing 12 meters away from the base of the building, you aim a laser pointer at the closest part of the top of the bu

Algebra ->  Triangles -> SOLUTION: Suppose that you need to find the height of a tall building. Standing 12 meters away from the base of the building, you aim a laser pointer at the closest part of the top of the bu      Log On


   

Question 921013: Suppose that you need to find the height of a tall building. Standing 12 meters away from the base of the building, you aim a laser pointer at the closest part of the top of the building. You measure that the laser pointer is 8 degrees tilted from pointing straight up. The laser pointer is held 2 meters above the ground. How tall is the building?
Round your answer to the nearest integer.
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
tan%2890-8%29=y%2F12
tan%2882%29=y%2F12
y=12%2Atan%2882%29

What you really are looking for is y%2B2.