solve question no.6 fast explanation..........................
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Since OC &OD are equal <ODC & <OCD are equal.
<DOC = < BOA
<BAO = <DOC GIVEN
Since two angles are equal of triangle the third angle will be also equal.
therefore,<OBA=<ODC
HENCE the lines are parallel
<DOC = < BOA
<BAO = <DOC GIVEN
Since two angles are equal of triangle the third angle will be also equal.
therefore,<OBA=<ODC
HENCE the lines are parallel
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