cot A/2:cot B/2:cot C/2 =1:4:15 then the greatest angle is
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the greatest angle is cot c/2 = 15
sai123456789:
u r options are 60°,90 ° ,120°, 180°
choose any one
ya
60 degree
u r wrong
120 is right ans
than
how irs possible
its
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