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If cot A/2 = (b+c)/a , then the triangle is 1)isoceles 2)equilateral 3)right-angled 4)none of these

If cot A/2 = (b+c)/a , then the triangle is 
1)isoceles
2)equilateral
3)right-angled
4)none of these

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Dear student

please refer

https://www.askiitians.com/forums/Trigonometry/if-cot-a-2-b-c-a-then-the-triangle-abc-isa_210070.htm
Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago

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