Question

What steps do I need to do to solve this

Answer 1

Step-by-step explanation

To find the length of b we will use the formula for the pythagorean theorem.

`\begin{gathered} hypotenuse^2=base\text{ }side^2+perpendicular\text{ s}ide^2 \\ b^2+4^2=5^2 \end{gathered}`

Answer: Option 1