Prove that in a triangle, other than an equilateral triangle, angle opposite to the longest side is greater than 2/3 - Maths - Triangles

Question

Prove that in a triangle, other than an equilateral triangle, angle
opposite to the longest side is greater than 2/3 of a right angle

Abhishek Kr. Jha · Accepted Answer

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https://www meritnation
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Prove that in a triangle, other than an equilateral triangle, angle opposite to the longest side is greater than 2/3 of a right angle.