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Add surface area class (#2183)

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* add surface area class

* add new line to end of file

* move surface area class into area class

* add missing import

* added pi import

* fix typo

* added blank line

* fixed more import issues

* comment fix

* comment fixes
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lance-pyles 2020-07-06 15:21:59 -07:00 committed by GitHub
parent 2c75a7b3dd
commit 48df91d48b
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1 changed files with 31 additions and 2 deletions
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33
maths/area.py
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@ -1,8 +1,34 @@
"""
Find the area of various geometric shapes
"""
from math import pi
from typing import Union
import math
def surface_area_cube(side_length: Union[int, float]) -> float:
"""
Calculate the Surface Area of a Cube.
>>> surface_area_cube(1)
6
>>> surface_area_cube(3)
54
"""
return 6 * pow(side_length, 2)
def surface_area_sphere(radius: float) -> float:
"""
Calculate the Surface Area of a Sphere.
Wikipedia reference: https://en.wikipedia.org/wiki/Sphere
:return 4 * pi * r^2
>>> surface_area_sphere(5)
314.1592653589793
>>> surface_area_sphere(1)
12.566370614359172
"""
return 4 * pi * pow(radius, 2)
def area_rectangle(base, height):
@ -62,7 +88,7 @@ def area_circle(radius):
>> area_circle(20)
1256.6370614359173
"""
return math.pi * radius * radius
return pi * radius * radius
def main():
@ -73,6 +99,9 @@ def main():
print(f"Parallelogram: {area_parallelogram(10, 20)=}")
print(f"Trapezium: {area_trapezium(10, 20, 30)=}")
print(f"Circle: {area_circle(20)=}")
print("Surface Areas of various geometric shapes: \n")
print(f"Cube: {surface_area_cube(20)=}")
print(f"Sphere: {surface_area_sphere(20)=}")
if __name__ == "__main__":