Determine whether the triangle having sides (a − 1) cm, 2√a cm and (a + 1) cm is a right-angled triangle.

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asked Feb 14, 2018 in Mathematics by sforrest072 (157,439 points) 63 447 1245
Determine whether the triangle having sides (a − 1) cm, 2√a cm and (a + 1) cm is a right-angled triangle.

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answered Feb 14, 2018 by mdsamim (213,225 points) 5 10 21
selected Feb 14, 2018 by sforrest072
 
Best answer

Let ABC be the Δ with

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