how to i solve for this varible

Algebra
Tutor: None Selected Time limit: 1 Day

indicated variable a2+b2=c2 that all squared

Sep 2nd, 2015

Hi there! Thank you for the opportunity to help you with your question!

It is not clear which variable you want to solve for, so I'll do all three:


If you want to solve for a, you need to subtract b^2 from both sides:

a^2 = c^2 - b^2

And then take the square root:

a = sqrt(c^2-b^2)

--------------------------------

If you want to solve for b, you need to subtract a^2 from both sides:

b^2 = c^2 - a^2

And then take the square root:

b = sqrt(c^2 -a^2)

-------------------------------

Finally, if you want to solve for c, you need to just take the square root:

c = sqrt(a^2 + b^2)

Please let me know if you need any clarification. Always glad to help!
Sep 2nd, 2015

we were solving for (a) only, not a^2

Sep 2nd, 2015

That's the answer provided in bold:

a = sqrt(c^2-b^2)

Sep 2nd, 2015

new question solve for (N)  4x+8   over 5n = f                                                                                                                               

                                 

Sep 2nd, 2015

Due to website policy I am not allowed to answer a new question under the same post. Please make a new post in order to receive help. I appreciate your understanding.

Sep 2nd, 2015

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