If a transversal intersects two line such that the bisectors of corresponding angels are parallel,then prove that the tow line are parallel
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The transversal AD intersects the two lines PQ and RS at points B and C respectively. BE is the bisector of ∠ABQ and CF is the bisector of ∠BCS.
As, BE is the bisector of ∠ABQ, then,
∠ABE= 2/1∠ABQ
In the same way,
∠BCF= 2/1 ∠BCS
Since BE and CF are parallel and AD is the transversal, therefore, by corresponding angle axiom,
∠ABE=∠BCF
2/1∠ABQ= 2/1∠BCS
∠ABQ=∠BCS
Therefore, by the converse of corresponding angle axiom,
PQ∥RS.
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