Answer:
h=4
Step-by-step explanation:
a^2 = h^2 + 4
b^2 = h^2 + 64
(2 + 8 )^2 = a^2 + b^2
100 = h^2 + 4 + h^2 + 64
100-68 = 2h^2
32 = h^2
h = 4
