ABC is an isosceles triangle which is right angled at C.prove that ABsq.=2ACsquare
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Since the triangle is right angled at C ,
AB is the hypotenuse. BC and AC are the other two sides.
Given that ,
BC = AC
By The Pythagoras Theorem,
AB² = AC² + BC²
= AC² + AC² [ Given ]
AB² = 2AC²
Hence proved.
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