21. Write a Flow-Chart proof.
Given: BC = EC and AC = DC
Prove: BA ED
![21 Write a FlowChart proof Given BC EC and AC DC Prove BA ED class=](https://us-static.z-dn.net/files/de2/af8ef413707be2dd5d666da0cd34df35.png)
Answer:
BC=EC(GIVEN)
AC=DC(GIVEN)
<BCA=<DCE(VERTICAL OPPOSITE ANGLE)
BCA=DCE(BY SAS CRITERIA)
BA=DE(BY CPCT )