Question

What is the length of YZ?X17 cm8 cmZYa) 9 cm•b) 15cmc) 19cmd) 25 cmHelp

Answer 1

For this type of problem we use the pythageorean theorem:

`\begin{gathered} 8^2+YZ^2=17^2 \\ \text{solving for YZ} \\ YZ^2=17^2-8^2 \\ YZ=\sqrt[]{225} \end{gathered}`

Then YZ=15cm