Chapter 4, Problem 8RP

To determine

To Prove: To set up a proof for giving statement.

Answer to Problem 8RP

  

  $\begin{array}{l}\text{Draw}OA,OB,OC,OD.\\ AB=BC\\ \therefore AM=CN\\ OA=OC\\ \angle OMA=\angle ONC\\ \therefore \Delta OMA\cong \Delta ONC.\\ \therefore OM=ON.\end{array}$

Explanation of Solution

Given information: AB=CD, M is midpoint of AB and N is midpoint of CD.