Answer:
C. 24
Explanation:
a^2 + b^2 = c^2
a and b are the legs of the right triangle. c is the hypotenuse.
a^2 + 10^2 = 26^2
a^2 + 100 = 676
a^2 = 576
Since "a" is to the 2nd power, the opposite would be to square root it.
Square root of 576 is 24.
x = 24