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=**How to find the value of a missing measurement: Pythagorean Theorem.**=

3 2 + b 2 = 6 2 **
 * For example, in this right triangle, where the value of a is 3, c is 6, and b is an unknown value. [[image:RightAngle2.gif align="left"]]


 * 3 2 ** **=9, and** **6 2 ** **=36**


 * So now we know that 9 + b2 = 36. To find the value of b2 we can subtract 9 from 36.

36-9 = 27

The square root of 27 is roughly 5.2. Therefore, we know that b=5.2.

We can check that this is right by using the completeted Pythagorean Theorem.

9 + 27 = 36 This is correct.**




 * Here is a video to conclude this lesson. It may help clear up some problems that I can't.**


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