Question

please buddy solve the problem iska answer aaya h 90 degree​

Answer 1

Answer:

90°

Step-by-step explanation:

As given,

ABCD is a trapezium.

And we know that,

According to the property of trapezium,

ABC+DCB=180°......(Corresponding angles)

1/2ABC+1/2DCB=1/2×180°.....(angles are bisected)

1/2ABC+1/2DCB= 90°

Thus,

In triangle OBC,

OCB+ONC=90°....(1/2ABC=OCB & 1/2DCB=ONC)

Therefore,

BOC=90°....(Angle sum property of a triangle)

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Answer 2

Answer:

YES ANSWER IS 90

Step-by-step explanation: