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`triangleABC` is an isosceles triangle with AC = BC. If `AB^(2)= 2AC^(2)` . Prove that ` triangle ABC` is a right triangle.

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NAGEEN PRAKASHAN-TRIANGLES -Exercise 6d
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  12. In a right triangle ABC, right angled at A, AD is drawn perpendicular ...

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  14. In the given figure , angleQPR= 90^(@) QR = 26 cm PM = 6cm, MR = 8c...

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