1.

In the given figure OE bisects angle AOD, OCbisects angle DOB and OE perpendicular OC. Show that ABis a straight line.{Figure is Given}​

Answer»

Answer:

ANGEL EOC is 90° and angel AOE=angel EOD and angel DOC=angel COB and angel EOC=90° So angel AOE +angel COB = 90° And 90°+90°=180° as PER RULE 180° is STRAIGHT line



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