Question

a given figure angle aob is 90 degree and Angle BOC is 110 degree where is centre and angle abc is​

Answer 1

OA=OB= radius

angle oab= angle oba

2 angle oba+90=180

angle oba= 45°

now,OC= OB

angle ocb = angle obc

2 angle obc+110=180

angle obc= 35°

angle abc= angle oba + angle obc=80°

Answer 2

Answer:

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