Answer:
a^2+b^2=c^2
Step-by-step explanation:
A right triangle is made up of 2 legs and one hypotenuse (as seen in the photo below). In order to get the hypotenuse, you would plug in the 2 legs for a^2 & b^2 to equal the hypotenuse.
If you were missing a value such as a leg, you would plug in the value of the hypotenuse and the other leg to find the missing leg. Hope this helps!