The sides and classifications of a triangle are given below. The length of the longest side is the integer given. What value(s) of x make the triangle?

Question

x,x, 8; right
Please provide an explanation as well.
Thank you.

Answer 1

apparently you want the legs equal, in which case

x^2+x^2 = 8^2
2x^2 = 64
x^2 = 32
x = √32 = 4√2