1.

Which of the following propertie(s) of circle is/are correct?I. Opposite angles of a cyclic quadrilateral are supplementary. ABCD is cyclic quadrilateral as its vertices lie on the circle.II. The degree measure of an arc is equal to twice the measure of an angle inscribed in the opposite arc.

A. Only I
B. Both I and II
C. Neither I nor II
D. Only II
Answer» C. Neither I nor II


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