Q. 1125.0( 3 Votes )

In Fig. 5.65, sho

Answer :


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Let P,Q,R,S be the four intersecting point


FQS and SQP forms a linear pair


SQP = 1800-500 = 1300


APQ = 1300


APQ = SQP = 1300


APQ & SPQ are alternate interior angles


Hence AB || CD


APQ and QPR forms a linear pair


QPR = 1800-1300 = 500


QPR = GRP = 500


So QPR and GRP are alternate interior angles


Hence EF || GH


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