Question

5 Find surface area of sphere of radius 7 cm​

Answer 1

Answer:

Solution :

Surface Area of sphere = 4pie r^2

= 4 × 22 /7 × 7 × 7

= 4 × 22 × 7

= 616 cm .square

Answer 2

$Given \: radius \: of \:the \: sphere (r)= 7\:cm$

$Surface \:area \:of \:the\:sphere = 4\pi r^{2}$

$= 4 \times \frac{22}{7} \times 7^{2}$

$= 4 \times \frac{22}{\cancel {7}} \times 7\times \cancel {7}$

$= 4 \times 22 \times 7$

$= 616 \: cm^{2}$

Therefore.,

$\red{Surface \:area \:of \:the\:sphere}$

$\green { = 616 \: cm^{2} }$

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