Please help on this problem I don’t know how to do it and I’m getting tired of doing this

If it's Pythagorean Theorem, then use the following:[tex]A^2 + B^2 = C^2[/tex]You have to multiply the 2 values by themselves if you are trying to find the Hypotenuse, then you need to add those together, and then find the square root.10 x 10 = 10015 x 15 = 225100 + 225 = 325.[tex]\sqrt{325} = 18.0277564[/tex]