Mathematics
NULL
Medium
Question
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
✓ Official correct answer
D
19712 cm2
Community credibility
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A
4920 cm2
No member explanations yet for this option.
B
4727 cm2
No member explanations yet for this option.
C
9856 cm2
No member explanations yet for this option.
D
19712 cm2
No member explanations yet for this option.
Explanation
Surface area scales as r², so it becomes 4 × 2464 = 9856 cm².