I and m are two parallel lines intersected by another pair of parallel lines p and q (see the given figure).
Which of the following options is correct?
A
ΔABC≅ΔCDA
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B
ΔBAC≅ΔCDA
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C
ΔABC≅ΔDAC
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D
ΔACB≅ΔCDA
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Solution
The correct option is AΔABC≅ΔCDA InΔABCandΔCDA,∠BAC=∠DCA(Alternateinteriorangles,asp||q)AC=CA(Common)∠BCA=∠DAC(Alternateinteriorangles,asl||m)∴ΔABC≅ΔCDA(ByASAcongruencerule)