MCQOPTIONS
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| 1. |
A solid cone is cut perpendicularly from the middle. If the height and volume of the whole solid cone before cut was 4√3 cm and 64√3 cm3 respectively, then find the total surface area of one of the cut portion. [Use π = 3] |
| A. | 19√3(4√3 + 1) cm2 |
| B. | 16√3(3√3 + 1) cm2 |
| C. | 18√3(5√3 – 2) cm2 |
| D. | 16(3√3 + 1) cm2 |
| E. | None of these |
| Answer» C. 18√3(5√3 – 2) cm2 | |