Question

Prove that a triangle with the sides(a-1)cm and (a plus 1)cm form a right angled triangle.​

Answer 1

Answer:

Solution explained below. Let ABC be a triangle with AB= (a-1) cm, BC= 2√a cm and CA= (a+1) cm. From the above solution it is proved that triangle ABC is right angled at B which means it is a right angled triangle

Answer 2

Answer:

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