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# What to do if c is x+ in pythagoras theorem - Office Equipment & Supplies

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a^2 + b^2 = c^2

If you are given a and c and have to solve for b, let's do it this way.

5^2 + b^2 = 13^2
25 + b^2 = 169
25 + b^2 -25 = 169 - 25
b^2 = 144
b = sqrt(144)
b = 12.

I hope this helps.

Good luck.

Paul

p.s. Here is a great video of Pythagorean Theorem in water;)
Pythagorean theorem water demo

Posted on Dec 17, 2016

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Posted on Jan 02, 2017

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