Class 9-Quadrilaterals-In a quadrilateral ABCD, CO and Do are the bisectors, Prove ∠COD=1/2(∠A+∠B).

Class 9-Quadrilaterals-RD SHARMA Pg13.4-Q4,
In a quadrilateral ABCD, CO and Do are the bisectors of ∠C and ∠D respectively, Prove that ∠COD=1/2(∠A+∠B).

[sitakshitiwari]

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[carboomcrazyguy]

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[aprajeetakashyap]

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