Answer:
B 24
Step-by-step explanation:
Pythagorean theorem: a^2 + b^2 = c^2,
where c is the hypotenuse of a triangle and a and b are the other 2 side lengths
26^2-10^2 = h^2
h^2 = 576
h = + or - 24
since height can't be negative, the answer is 24
