Question

In Figure 8, AO = BO and ZA = ZB.
Prove that AAOC = ABOD.
Is ZACO = ZBDO? Give reasons.​

Answer 1

Given) AO=BO AND ANGLE A = ANGLE B

IN TRIANGLE AOC AND TRIANGLE BOD

ANGLE A =ANGLE B

AO=BO

ANGLE AOC = ANGLE BOD ( VERTICALLY OPPOSITE ANGLES)

BY SAS triangle AOC is congruent triangle BOD