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how do you find a missing side of a right triangle

 Sep 23, 2016
 #1
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Using Pythagorean Theorem

 

a^2 + b^2 = c^2   where  'a' and 'b' are the short sides (legs) and 'c' is the hypotenuse (the longest side)

 

Example  :   right triangle with  legs of  4  and 'x'  and hypotenuse 5

4^2 + x^2 = 5^2

16 + x^2  = 25

x^2 = 9

x= 3 = this 'missing' leg size.....

 Sep 23, 2016

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