Question

10 points someone help me please!?

Answer 1

`\large\boxed{b=√(95)}`

Explanation:

Use the Pyhagorean theorem:

`leg^2+leg^2=hypotenuse^2`

We have

`leg=b,\ leg=7,\ hypotenuse=12`

Substitute:

`b^2+7^2=12^2`

`b^2+49=144` subtract 49 from both sides

`b^2=95\to b=√(95)`