Question

Need help with a equation

Answer 1

Using the properties for similar triangle we know that

`\begin{gathered} (RO)/(NL)=(OP)/(LM) \\ (RO)/(8)=(21)/(5) \\ RO=(21\cdot8)/(5) \\ RO=(168)/(5) \\ RO=33.6 \end{gathered}`

Therefore, RO is equal to 33.6 units.