Question

What is the missing leg length?
10
6

Answer 1

a^2 + b^2 = c^2 (in this case b is x)
6^2 + b^2 = 10^2
36 + b^2 = 100
100 - 36 = b^2
64 = b^2
√64 = √b^2
8 = b^2 (x)

Answer:
x = 8