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1. |
Sam has a solid metal ball with diameter 6cm. He melts it and uses the material for making a solid cylinder. If the diameter of the cylinder is same as the ball, what would its height be? |
A. | 4 cm |
B. | 4.5 cm |
C. | 6 cm |
D. | 8 cm |
Answer» B. 4.5 cm | |