SOLUTION: could you explain the steps on how to do it? for example A=20 C=29

Question 34317: could you explain the steps on how to do it? for example A=20 C=29
Answer by lyra(94) (Show Source): You can put this solution on YOUR website!
The Pythagorean theorem. I am assuming that you want to know how to use it. If you want to know how to derive the Pythagorean theorem please see this website: http://www.mathguide.com/lessons/Pythagoras.html
is the Pythagorean theorem.
Using the values you provided:
Now you want to solve for b, you can solve this in the same way you solve other equations with variables (eg. ). We can take the square root of the whole equation to make it simplerand so we solve:

Hope this helps,
lyra
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