in an isosceles triangle ABC with AB=AC,D and E are poinys on BC such that BE=CD show thatAD=AE
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Answered by
1
Answer:
Step-by-step explanation:
Given :- A triangle ABC in which AB=AC. D and E are points on BC such that BE = CD.
To prove :- AD= AE.
proof :- BE=CD
= BE-DE = CD-DE
= BD = CE
NOW IN TRIANGLE ABD AND TRIANGLE ACE,
AB=AC
ANGLE B = ANGLE C
BD = CE
BY SAS CRITERIA, TRIANGLE ABD CONGRUENT TO TRIANGLE ACE.
BY CPCT, AD = DE
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Answered by
0
Answer:
we have to prove that ∆abc is congruent to ∆adc
Step-by-step explanation:
ab=ac (given)
<abe=<acd (as it is an isosceles triangle)
be=cd (given)
thus, ∆abe is congruent to ∆acd by SAS criteria.
ad=ae by CPCT.
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