If the surface area of sphere is 154 cm2, then its radius in cms.
A. 7
B. 14
C. 21
D. \(\frac{7}{2}\)
Answer:B
If the surface area of sphere is 154 cm2, then its radius in cms.
A. 7 B. 14 C. 21 D. \(\frac{7}{2}\)