A cone of radius 90 cm and height 120 cm stands on its base. It is cut – McqOptions

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1.	A cone of radius 90 cm and height 120 cm stands on its base. It is cut into 3 parts by 2 cuts parallel to its base such that the height of the three parts (from top to bottom) are in ratio of 1 ∶ 2 ∶ 3. What is the total surface area (in cm2) of the middle part?
A.	14600
B.	16500
C.	17800
D.	18500
Answer» C. 17800

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