abc is an isosceles triangle with AC=bc if ab2=2ac2,prove that abc is a right triangle
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Answer:
l don't know so sorry sorry
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Step-by-step explanation:
since bc =ac
therefore bc^2= ac^2
thus ab^2 = 2bc^2
can also be written as
ab^2= bc^2+bc^2
=> ab^2=bc^2+ac^2
therefore abc is a right triangle ( by converse of Pythagoras theorem)
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