In cyclic quadrilateral ABCD the bisector of opposite angles A and C meet the circle P and Q respectively prove that PQ is diameter of a circle (hint draw a segment PC)
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Step-by-step explanation:
- If bisectors of opposite angles of a cyclic quadrilateral ABCD intersect the circle, circumscribing it at the points P and Q, prove that PQ is a diameter of the circle.
- Thinking Process
- Use the property of cyclic quardrilateral, the sum of opposite angles of cyclic quadrilateral is supplementary. Further, simplify it to prove the
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Given, ABCD is a cyclic quadrilateral.
DP and QB are the bisectors of ∠D and ∠B, respectively.
To prove PQ is the diameter of a circle.
Construction Join QD and QC.
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