The volume of a sphere with radius r is 4 / 3 pi r^3. Write a Python program to find the volume of spheres with radius 7 cm, 12 cm, 16 cm, respectively.
Question
The volume of a sphere with radius $r$ is $4 / 3 \pi r^{3}$. Write a Python program to find the volume of spheres with radius $7 \mathrm{~cm}, 12 \mathrm{~cm}, 16 \mathrm{~cm}$, respectively.
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Answer
Here is a Python program to calculate the volume of spheres with given radii:
# Program to calculate the volume of a sphere
import math
def volume_of_sphere(radius):
volume = (4/3) * math.pi * (radius ** 3)
return volume
# Radii of the spheres
radii = [7, 12, 16]
# Calculate volumes
volumes = [volume_of_sphere(r) for r in radii]
# Print the results
for radius, volume in zip(radii, volumes):
print(f"The volume of a sphere with radius {radius} cm is {volume:.2f} cubic cm")
Output
The volume of a sphere with radius 7 cm is 1436.76 cubic cm
The volume of a sphere with radius 12 cm is 7238.23 cubic cm
The volume of a sphere with radius 16 cm is 17157.28 cubic cm
Explanation
Import the
math
module to get the value of π.Define the function
volume_of_sphere(radius)
which uses the formula: $ \text{volume} = \frac{4}{3} \pi r^3 $.Calculate the volume for the radii
[7, 12, 16]
.Output the volume for each radius formatted to two decimal places.
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