(C) The surface area of a sphere is given by the formula $A = 4 \pi r^2$.Given radius $r = 30 \, cm$ and $\pi = 3.14$.Substituting the values into the

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(C) The surface area of a sphere is given by the formula $A = 4 \pi r^2$.Given radius $r = 30 \, cm$ and $\pi = 3.14$.Substituting the values into the formula:$A = 4 \times 3.14 \times (30)^2$$A = 4 \times 3.14 \times 900$$A = 12.56 \times 900$$A = 11304 \, cm^2$.

Class 9 Mathematics Surface Areas and Volumes Surface Area of a Sphere

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Find the surface area of a sphere of radius $30 \, cm$ $(\pi = 3.14)$ (in $cm^2$).

A
$22304$
B
$12304$
C
$11304$
D
$10304$

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Surface Area of a Sphere

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Find the surface area of a sphere of radius $30 \, cm$ $(\pi = 3.14)$ (in $cm^2$).

Similar Questions

Find the surface area of a sphere of radius $7 \, cm$. (in $, cm^{2}$)

Find the surface area of a sphere of diameter $14 \, cm$.Assume $\pi = \frac{22}{7}$. (in $, cm^2$)

The surface area of a sphere is $7850 \, cm^2$. Find its radius in $cm$. (Use $\pi = 3.14$)

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Find the surface area of a sphere of diameter $14 \, cm$.
Assume $\pi = \frac{22}{7}$. (in $, cm^2$)