GMATH practice exercise (Quant Class 11)
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Planifying the lateral surface area of a cone, we get the circular sector with center O and radius 18 shown in the figure. Which of the following is closest to the length of the height of this cone?
(A) 12
(B) 14
(C) 16
(D) 18
(E) 20
Planifying the lateral surface area of a cone, we get the circular sector with center O and radius 18 shown in the figure. Which of the following is closest to the length of the height of this cone?
(A) 12
(B) 14
(C) 16
(D) 18
(E) 20