Question

Quadrilateral ABCD is inscribed in circle P as shown. Which statement is necessarily true?

A.m∠A+m∠B=m∠C+m∠D

B.m∠A+m∠C=m∠B+m∠D

C.m∠A+m∠D=m∠B+m∠C

D.m∠A+m∠B=2(m∠C+m∠D)

Answer 1

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