Answer:
x = 64
Step-by-step explanation:
We can use the Pythagorean theorem to solve
a^2 + b^2 = c^2 where a and b are the leg and c is the hypotenuse
6^2 + (sqrt(x) )^2 = 10^2
36 + x = 100
Subtract 36 from each side
36-36 +x = 100-36
