MCQOPTIONS
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| 1. |
A sphere has the same curved surface area as a cone of vertical height 40 cm and radius 30 cm. The radius of the sphere is |
| A. | 5√5 cm |
| B. | 5√3 cm |
| C. | 5√15 cm |
| D. | 5√10 cm |
| Answer» D. 5√10 cm | |