Question

Extend Ab To e . find angle cbe what do you notice what kind of angles are angle abc and angle cbe

Answer 1

<ABC &<CBE are supplementary angles

Answer:

AB is extended to E

ABE is a straight line

<ABE=180°

<ABC+<CBE=<ABE

<ABC+<CBE=180°

There fore, <ABC & <CBE are supplementary angles