the answer is 4.......and note its AB=>0 if u r not able to see properly
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2 Answers
Lokesh Verma
·2009-10-04 22:31:57
This one is a good question..
CB=R cot α
CP = CB cos α = R cos α cot α
CM = R / sin α - R = R(1/ sin α - 1)
area ratio = (CP/CM)2
While, CP/CM = cos α cot α1/sin α-1= cos2 α1-sin α (where alpha tends to 90 degrees)
1-sin2 α1-sin α = 1+sin α = 2
Hence Area ratio = 22 = 4
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