In an Isosceles triangle ABC(AB=AC).In the triangle ABC,if AB and AC are produced to D and E respectively such that BD=CE,How can Iprove that BE=CD
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Here's ur answer :-
In ∆ABC,
AB = AC (given)
=> <ABC = <ACD (opposite sides are equal)
In ∆EBC and ∆DCB,
BC = BC (common side)
<EBC = <DCB ( <ABC = <ACB)
BE = DC (E & D are mid points on AB & AC)
=> ∆EBC is congruent to ∆DCB (by SAS
criteria)
=> BD = CE ( by c.p.c.t ) ( proved)
< refers to angle
Hope this helps you:)
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