SOLUTION: A boy was flying a kite which was at a height of 40m just above a tree.The string was 50m long. how far away from the tree was the boy flying his kite from? this is the questio

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Question 665723: A boy was flying a kite which was at a height of 40m just above a tree.The string was 50m long. how far away from the tree was the boy flying his kite from?
this is the question. my friend told that her answer is 30 m.pls explain and show how to solve this sum

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A boy was flying a kite which was at a height of 40m just above a tree.The string was 50m long. how far away from the tree was the boy flying his kite from?
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The 50 m string is the hypotenuse of a right triangle.
a%5E2+%2B+b%5E2+=+c%5E2
40%5E2+%2B+d%5E2+=+50%5E2
d%5E2+=+900
d = 30 meters