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[" 73.If "cot(A)/(2)=(b+c)/(2)" ,then th...

[" 73.If "cot(A)/(2)=(b+c)/(2)" ,then then then then the "Delta ABC" is "],[[" (a) Isosceles "," (b) Equilateral "," (c) Right angled "," (d) None of these "]]

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