∆ABC is an isosceles triangle. in which AB =AC . if AB and AC are produced D and E respectively such that BD = CE , prove that the sum is 180°
samlucky1769:
what do you mean when it is said if ab and ac are produced....?
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AB=AC (given)
A=A (common)
BD=CE (given)
hence prove
by SAS therom
A=A (common)
BD=CE (given)
hence prove
by SAS therom
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