The Pythagorean Theorem is a² + b² = c², where a and b are the two shorter sides, and c is the hypotenuse, or the longest side.
For this triangle, a and b could be either 8 and 6, so let's just make a=6 and b=8. Now a=6 because we are applying the theorem to one half of the triangle, so we have to split the bottom length in half. Then c will be side x, because that is the longest side, i.e. the hypotenuse.
a² + b² = c²
6² + 8² = c²
36 + 64 = c²
100 = c²
[tex]\sqrt{100}[/tex] = [tex]\sqrt{c^{2}}[/tex]
10 = c
c = x
x = 10
The value of x is 10
Hope that helps!
