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| Q.2 | A teacher used chalks to write on the board, which are in the shape of a frustum. The volume of the chalk is 1.89 π cm3, the bigger radius is 0.6cm, and the smaller radius is 0.3 cm. What is the length of the chalk? | |
| Ans | A. 10 cm | |
| B. 6 cm | ||
| C. 9 cm | ||
| D. 7 cm |
Correct Ans Provided: C
