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[" (5.5) In a quadinateral "ABCD,CO" and...

[" (5.5) In a quadinateral "ABCD,CO" and "DO" are the bisectors of "/_C" and "/_D" respectively."],[" Prove that "/_COD=(1)/(2)[/_A+/_B]" ."],[" C.6.ABCD is the parallelogram.AB is produced to "E" so that "BE=AB" .Prove that "ED" ."]

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In a quadrilateral ABCD,CO and DO are the bisectors of /_C and /_D respectively. Prove that /_COD=(1)/(2)(/_A+/_B)

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