I H. M. Mathematics (Class 9)rt Answer Type QuestionsIn fig, AB and CD – InterviewSolution

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1.	I H. M. Mathematics (Class 9)rt Answer Type QuestionsIn fig, AB and CD intersect each other at E such that DE -Show that AD CB.BE and EAEC.
Answer» In ∆s AED and BEDAE=BC (given)AED=CEB (vertically opposite anglesDE=CE(given)therefore ∆ADE≈∆BEC(by SAS congruency)therefore AD=BC (by C.P.C.T)

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