In the following figure, O is the centre of the circle , AC is the dia – InterviewSolution

1.	In the following figure, O is the centre of the circle , AC is the diameter and if `angle APB =120^@` , then find `angle BQC` . A. `30^@`B. `150^@`C. `90^@`D. `120^@`
Answer» Correct Answer - B (i) APBC is a cyclic quadrilateral. (ii) `angle ABC` is an angle in a semi circle. (iii) ABQC is a cyclic quadrillteral.

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