Please just give me the answer

Answer:
11.662
Step-by-step explanation:
Use the pythagorean theorem
(c = x)
a^2 + b^2 = c^2
6^2 + 10^2 = c^2
36 + 100 = c^2
136 = c^2
√136 = √(c^2)
c = 11.662