Question : The radius of a sphere is 14 cm. What is the surface area of this sphere? [Use $\pi=\frac{22}{7}$]
Option 1: 2464 cm2
Option 2: 1232 cm2
Option 3: 1848 cm2
Option 4: 616 cm2
Answer (1)
8th Jan, 2024
Correct Answer: 2464 cm 2
Solution :
Given: Radius, $r$ = 14 cm
The total surface area of a sphere
$= 4\pi r^{2}$
$=4\pi (14)^{2}$
$=4\times \frac{22}{7}\times 196$
$=2464$ cm
2
Hence, the correct answer is 2464 cm
2
.
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