Question

The Surface Area of a Sphere of diameter 14 cm is

A) 154

B) 308

C) 616

D) 770 ​

Answer 1

Answer:

154

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Answer 2

Answer:

$d = 14 \: cm \: \\ then \: r \: = \: 7 \: cm \\ area \:of \: sphere \: = 4\pi {r}^{2} \\ = 4 \times \frac{22}{7} \times \: 7 \times 7 \\ \\ = 4 \times 22 \times 7 \\ = 88 \times 7 \\ = 616 \: {cm}^{2}$

$so \: option \: c \: is \: correct$