SOLUTION: A tree that has been cut down and is leaning against a wall at a point 12 feet above the ground. If the tree makes a 48 degree angle with the ground,how long is the tree?

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Question 308930: A tree that has been cut down and is leaning against a wall at a point 12 feet above the ground. If the tree makes a 48 degree angle with the ground,how long is the tree?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
the tree the wall and the ground form a right triangle.
The angle between tree and ground = 48 deg
Tree end from ground level = 12 feet
Cos 48 = 12 / length of tree
length of tree = 12/ cos 48
= 12 / 0.6691
17.93 feet