In traingle ABC, if ab2=ac2-cb2 state with reason whether ∆ ABCis right angle traingle or not
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Comparing ( 1 ) and ( 2 ) we get, AC is a hypotenuse of a triangle. ⇒ Hypotenuse is the longest side of a right-angled triangle, opposite the right angle. ⇒ Opposite angle of AC is ∠B. ∴ ∠B is a right angle of △ABC.
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