Question

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and angle ADC=140 degree then find angle ABC​

Answer 1

Answer:

we know that sum of opposite angles of cyclic quadrilateral is 180°

so, ADC + ABC = 180°

140° + ABC = 180°

ABC = 40°

Answer 2

Answer:

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