SOLUTION: In a right triangle, find the length of the side not given. Given an exact answer and an approximate to three decimal places. Assume C represent the length of the hypotenuse 6 & 8

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Question 549819: In a right triangle, find the length of the side not given. Given an exact answer and an approximate to three decimal places. Assume C represent the length of the hypotenuse 6 & 8 = C
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
I'm assuming you have a triangle with legs of length 6 and 8.


We basically have this triangle set up:





To find the unknown length, we need to use the Pythagorean Theorem.


Remember, the Pythagorean Theorem is where "a" and "b" are the legs of a triangle and "c" is the hypotenuse.


Since the legs are and this means that and


Also, since the hypotenuse is , this means that .


Start with the Pythagorean theorem.


Plug in , ,


Square to get .


Square to get .


Combine like terms.


Rearrange the equation.


Take the square root of both sides. Note: only the positive square root is considered (since a negative length doesn't make sense).


Simplify the square root.


================================================================


Answer:


So the solution is .


So the missing side is 10 units long.

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