Given that the radius of a hemisphere is increased by a fixed percentage so, the target is to calculate the percentage increase in the volume of the hemisphere.
Examples:
Input :
20
Output :
72.8 %
Input :
70
Output :
391.3 %
Approach:
Let, the radius of the hemisphere =
Given percentage increase =
Volume before increase =
New radius after increase =
So, new volume =
Change in volume =
Percentage increase in volume =
Below is the Python code implementation of the above mentioned approach.
Python3
# Python3 program to find percentage increase # in the volume of the hemisphere # if the radius is increased by a given percentage def newvol(x): print ( 'percentage increase in the volume of the hemisphere is ' , pow (x, 3 ) / 10000 + 3 * x + ( 3 * pow (x, 2 )) / 100 , '%' ) # Driver code x = 10.0 newvol(x) |
Output :
percentage increase in the volume of the hemisphere is 33.1 %
Time Complexity: O(log x) because pow function would take logarithmic time
Auxiliary Space: O(1)
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