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Prove that in a triangle other …

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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

Posted by Mann Dhir 5 years ago

CBSE > Class 09 > Mathematics

1 answers

Ashok Meena Arunnachalam 5 years ago

So i,must prove that it should be 60 degree, basically in an equilateral triangle all sides are equal so take any triangle and measure them and conclude yourself elwhich is the longest side and add other two sides and they will more than the longest side, hence your statemment is applicable only for equilateral triangle.

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CBSE > Class 09 > Mathematics