Please help aswer i will give brainest

Answer:
AC=6cm
Step-by-step explanation:
AC= root(10²-8²)
ac=root (100-64)
ac=√36
AC= 6cm
Answer:
I believe it is 6.
Step-by-step explanation:
a^2 + b^2 =c^2
So, 8^2 + b^2 = 10^2
64 + b^2 = 100
100 - 64 = 36
[tex] \sqrt{36} = 6[/tex]
Then to check: 8^2 + 6^2 = 10^2 Which is correct.
So, I believe 6 is correct.