Question

Which expression finds the length of side b of this right triangle?

Answer 1

`b=\sqrt{c^(2) -a^(2) }`

Explanation:

`a^(2) + b^(2) = c^(2)`

`b^(2) =c^(2) -a^(2)`

`b=\sqrt{c^(2) -a^(2) }`