Question

Please mention 100% correct answer​

Answer 1

COB+AOC=180° (angles of A LINE )

50°+COB=180°

COB =180°-50°

COB=130°

AOD=130° (VERTICLE OPPOSITE ANGLE)

AOD+COB

=130°+130°

=260°

Answer 2

Step-by-step explanation:

Opposite angles are equal and AOD = COB

So AOC = DOB = 50°

AOC + DOB + AOD + COB = 360°

100° + AOD + COB = 360°

AOD + COB = 260°

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