SOLUTION: At a certain time in the day, a church spire PQ, 44m high, cast a shadow RQ, 84M long. Find the angle of elevation of the top of the spire from the point R.

Algebra ->  Trigonometry-basics -> SOLUTION: At a certain time in the day, a church spire PQ, 44m high, cast a shadow RQ, 84M long. Find the angle of elevation of the top of the spire from the point R.       Log On


   

Question 1132624: At a certain time in the day, a church spire PQ, 44m high, cast a shadow RQ, 84M long. Find the angle of elevation of the top of the spire from the point R.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
tangent for the angle of elevation from shadow on ground to top of spire is 44%2F84=22%2F42=11%2F21.

tan%5E%28-1%29%2811%2F21%29

27.6 degrees