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03 Mar 2005, 19:06
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Does the area of square S equals the area of circle C?
I) The diameter of C equals side of S.
II) Ratio of 2/4 of area of circle C to 5/8 of the area of square S is less than 1:1
I) The diameter of C equals side of S.
II) Ratio of 2/4 of area of circle C to 5/8 of the area of square S is less than 1:1
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03 Mar 2005, 19:17
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D it is...
1) we know Diameter is X....lets say side of square S is equal to X
area of circle= pi(x/2)^2
area of square S=x^2, we can easily tell that area of circle in not equal to area of square.
1 is sufficient
2) we have the area of 1/2circle over 5/8 area of Square S is <1
12/5 (area of circle)/(area of square) <1, we can see that the area of square S has to be bigger than 12/5*area of circle...sufficient
1) we know Diameter is X....lets say side of square S is equal to X
area of circle= pi(x/2)^2
area of square S=x^2, we can easily tell that area of circle in not equal to area of square.
1 is sufficient
2) we have the area of 1/2circle over 5/8 area of Square S is <1
12/5 (area of circle)/(area of square) <1, we can see that the area of square S has to be bigger than 12/5*area of circle...sufficient
03 Mar 2005, 19:58
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"A"
state 1.....we know dia and side....suff
state 2.....(1/2C) / (5/8 S) < 1..........4C < 5S....for S = C = 1.....YES....S = 2 C = 1.....NO...insuff
state 1.....we know dia and side....suff
state 2.....(1/2C) / (5/8 S) < 1..........4C < 5S....for S = C = 1.....YES....S = 2 C = 1.....NO...insuff
