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01 Aug 2008, 03:27
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A cone can be formed when a sector was removed from a circle and the edges of the remaining segment were joined. What is the height of the cone formed?
(1) The radius of the original circle is 12.
(2) A 90 degree sector was removed from the circle.
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient.
B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient.
C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient.
D. Each Statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient
(1) The radius of the original circle is 12.
(2) A 90 degree sector was removed from the circle.
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient.
B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient.
C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient.
D. Each Statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient
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03 Aug 2008, 01:29
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arjtryarjtry
to get height of cone we need to know the latent height (which rad of circle here) and radius of the base of the cone hence to know this we should know angle of sector removed and hence both (1) and (2) together solve and not individually => IMO C
