Question

AOB is a line segment, OC, OD are also line segments. The value of a is



options
1) 45°
2) 40°
3) 50°
4) 0°​

Answer 1

Answer:

Given : AB = CD ; O is the mid - point .

To proof : ABC is congruent to DOC

Proof : In triangle AOB and DOC ,

AB = CD ( Given )

< OAB = < ODC ( alternate interior angles )

<AOB = <DOC ( vertically opposite angles )

Therefore, triangle AOB is congruent to DOC ( ASA rule )

OB = OC ( C.PC.CT )

Hence, O is also the mid point of BC

0 degrees is the answer......

please mark as brainleast please please.......