Question

Whats the missing leg?

Answer 1

8^2+b^2=10^2
64+b^2=100
-64 -64
b^2=36
Square root both sides to get 6^2.

Answer 2

b $b^{2} + 8^{2} = 10^2$

solve for b

$b^{2}= 100 - 64 = 36\\\\ b= \sqrt{36} =6$

The missing leg is 6 in