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1. |
Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of _________?the new sphere will be |
A. | 4920 cm2 |
B. | 4727 cm2 |
C. | 9856 cm2 |
D. | 19712 cm2 |
Answer» D. 19712 cm2 | |