How do I find the missing side length?

https://www.connexus.com/content/media/456845-2232011-93609-AM-699884470.png

I know I do the Pythagorean theorem I think but idk how to do it.

Question

How do I find the missing side length? 

https://www.connexus.com/content/media/456845-2232011-93609-AM-699884470.png

I know I do the Pythagorean theorem I think but idk how to do it.

anonymous · Answer

pythagorean theorem pattern the formula a^2 +b^2 =c^2

where a and b are the measure of the legs while c is the hypotenuse. .

plug the values to the equation, there, you can find the unknown side measure. .

anonymous · Answer

thanks i didn't know what x^2 meant lol.