@@ -42,6 +42,85 @@ def surface_area_sphere(radius: float) -> float:
4242 return 4 * pi * radius ** 2
4343
4444
45+ def surface_area_hemisphere (radius : float ) -> float :
46+ """
47+ Calculate the Surface Area of a Hemisphere.
48+ Formula: 3 * pi * r^2
49+
50+ >>> surface_area_hemisphere(5)
51+ 235.61944901923448
52+ >>> surface_area_hemisphere(1)
53+ 9.42477796076938
54+ >>> surface_area_hemisphere(0)
55+ 0.0
56+ >>> surface_area_hemisphere(1.1)
57+ 11.40398133253095
58+ >>> surface_area_hemisphere(-1)
59+ Traceback (most recent call last):
60+ ...
61+ ValueError: surface_area_hemisphere() only accepts non-negative values
62+ """
63+ if radius < 0 :
64+ raise ValueError ("surface_area_hemisphere() only accepts non-negative values" )
65+ return 3 * pi * radius ** 2
66+
67+
68+ def surface_area_cone (radius : float , height : float ) -> float :
69+ """
70+ Calculate the Surface Area of a Cone.
71+ Wikipedia reference: https://en.wikipedia.org/wiki/Cone
72+ Formula: pi * r * (r + (h ** 2 + r ** 2) ** 0.5)
73+
74+ >>> surface_area_cone(10, 24)
75+ 1130.9733552923256
76+ >>> surface_area_cone(6, 8)
77+ 301.59289474462014
78+ >>> surface_area_cone(-1, -2)
79+ Traceback (most recent call last):
80+ ...
81+ ValueError: surface_area_cone() only accepts non-negative values
82+ >>> surface_area_cone(1, -2)
83+ Traceback (most recent call last):
84+ ...
85+ ValueError: surface_area_cone() only accepts non-negative values
86+ >>> surface_area_cone(-1, 2)
87+ Traceback (most recent call last):
88+ ...
89+ ValueError: surface_area_cone() only accepts non-negative values
90+ """
91+ if radius < 0 or height < 0 :
92+ raise ValueError ("surface_area_cone() only accepts non-negative values" )
93+ return pi * radius * (radius + (height ** 2 + radius ** 2 ) ** 0.5 )
94+
95+
96+ def surface_area_cylinder (radius : float , height : float ) -> float :
97+ """
98+ Calculate the Surface Area of a Cylinder.
99+ Wikipedia reference: https://en.wikipedia.org/wiki/Cylinder
100+ Formula: 2 * pi * r * (h + r)
101+
102+ >>> surface_area_cylinder(7, 10)
103+ 747.6990515543707
104+ >>> surface_area_cylinder(6, 8)
105+ 527.7875658030853
106+ >>> surface_area_cylinder(-1, -2)
107+ Traceback (most recent call last):
108+ ...
109+ ValueError: surface_area_cylinder() only accepts non-negative values
110+ >>> surface_area_cylinder(1, -2)
111+ Traceback (most recent call last):
112+ ...
113+ ValueError: surface_area_cylinder() only accepts non-negative values
114+ >>> surface_area_cylinder(-1, 2)
115+ Traceback (most recent call last):
116+ ...
117+ ValueError: surface_area_cylinder() only accepts non-negative values
118+ """
119+ if radius < 0 or height < 0 :
120+ raise ValueError ("surface_area_cylinder() only accepts non-negative values" )
121+ return 2 * pi * radius * (height + radius )
122+
123+
45124def area_rectangle (length : float , width : float ) -> float :
46125 """
47126 Calculate the area of a rectangle.
@@ -280,9 +359,12 @@ def area_rhombus(diagonal_1: float, diagonal_2: float) -> float:
280359 print (f"Triangle: { area_triangle (10 , 10 ) = } )
281360 print (f"Triangle: { area_triangle_three_sides (5 , 12 , 13 ) = } )
282361 print (f"Parallelogram: { area_parallelogram (10 , 20 ) = } )
362+ print (f"Rhombus: { area_rhombus (10 , 20 ) = } )
283363 print (f"Trapezium: { area_trapezium (10 , 20 , 30 ) = } )
284364 print (f"Circle: { area_circle (20 ) = } )
285365 print ("\n Surface Areas of various geometric shapes: \n " )
286366 print (f"Cube: { surface_area_cube (20 ) = } )
287367 print (f"Sphere: { surface_area_sphere (20 ) = } )
288- print (f"Rhombus: { area_rhombus (10 , 20 ) = } )
368+ print (f"Hemisphere: { surface_area_hemisphere (20 ) = } )
369+ print (f"Cone: { surface_area_cone (10 , 20 ) = } )
370+ print (f"Cylinder: { surface_area_cylinder (10 , 20 ) = } )
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