MathematicsWhich of following is the volume of a sphere of radius 4.2cm? [π=227]

Which of following is the volume of a sphere of radius $4.2$ cm? $[π = \frac{22}{7}]$

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A
$380.46 {cm}^{3}$
B
$320.46 {cm}^{3}$
C
$310.46 {cm}^{3}$
D
$370.46 {cm}^{3}$

Solution:

Given,
Radius of sphere

= 4.2

cm
Volume of sphere

= \frac{4}{3} π r^{3}

V = \frac{4}{3} \times \frac{22}{7} \times 4.2 \times 4.2 \times 4.2

V = 310.46 {cm}^{3}

Hence, the volume of the sphere is

310.46 {cm}^{3}

.
Therefore, option 3 is correct.

Which of following is the volume of a sphere of radius $4.2$ cm? $[π = \frac{22}{7}]$

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