Question

Please help me solve. I want to check if I missed a step in solving.

Answer 1

Determine the length of missing side by using pythagoras theorem.

`\begin{gathered} x^2+(5)^2=(13)^2 \\ x^2=169-25 \\ x=\sqrt[]{144} \\ =12 \end{gathered}`

Thus length of missing side is 12 cm. Option C is correct.