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| 1. |
The radii of the two circular faces of the frustum of a cone are 5 cm and 4 cm. If the height of the frustum is 21 cm, what is it volume in cm3? (π = 22/7) |
| A. | 638 |
| B. | 1342 |
| C. | 902 |
| D. | 1056 |
| Answer» C. 902 | |