From ecf293a20d99d59af6fdc3f7b00e2057f4e3f350 Mon Sep 17 00:00:00 2001
From: Rohanrbharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Mon, 11 Oct 2021 01:40:35 +0530
Subject: [PATCH 1/8] Update area.py

---
 maths/area.py | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 59 insertions(+), 1 deletion(-)

diff --git a/maths/area.py b/maths/area.py
index 8689f323cc9a..6ca32f9cf93e 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -42,6 +42,62 @@ def surface_area_sphere(radius: float) -> float:
     return 4 * pi * radius ** 2
 
 
+def surface_area_cone(radius: float, height: float) -> float:
+    """
+    Calculate the Surface Area of a Cone.
+    Wikipedia reference: https://en.wikipedia.org/wiki/Cone
+    Formula: pi * r * (r + (h^2 + r^2)^0.5)
+    
+    >>> surface_area_cone(10, 24)
+    1130.9733552923256
+    >>> surface_area_cone(6, 8)
+    301.59289474462014
+    >>> surface_area_cone(-1, -2)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_cone() only accepts non-negative values
+    >>> surface_area_cone(1, -2)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_cone() only accepts non-negative values
+    >>> surface_area_cone(-1, 2)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_cone() only accepts non-negative values
+    """
+    if radius < 0 or height < 0:
+        raise ValueError("surface_area_cone() only accepts non-negative values")
+    return pi * radius * (radius + (height ** 2 + radius ** 2) ** 0.5)
+
+
+def surface_area_cylinder(radius: float, height: float) -> float:
+    """
+    Calculate the Surface Area of a Cylinder.
+    Wikipedia reference: https://en.wikipedia.org/wiki/Cylinder
+    Formula: 2 * pi * r * (h + r)
+    
+    >>> surface_area_cylinder(7, 10)
+    747.6990515543707
+    >>> surface_area_cylinder(6, 8)
+    527.7875658030853
+    >>> surface_area_cylinder(-1, -2)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_cylinder() only accepts non-negative values
+    >>> surface_area_cylinder(1, -2)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_cylinder() only accepts non-negative values
+    >>> surface_area_cylinder(-1, 2)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_cylinder() only accepts non-negative values
+    """
+    if radius < 0 or height < 0:
+        raise ValueError("surface_area_cylinder() only accepts non-negative values")
+    return 2 * pi * radius * (height + radius)
+
+
 def area_rectangle(length: float, width: float) -> float:
     """
     Calculate the area of a rectangle.
@@ -280,9 +336,11 @@ def area_rhombus(diagonal_1: float, diagonal_2: float) -> float:
     print(f"Triangle: {area_triangle(10, 10) = }")
     print(f"Triangle: {area_triangle_three_sides(5, 12, 13) = }")
     print(f"Parallelogram: {area_parallelogram(10, 20) = }")
+    print(f"Rhombus: {area_rhombus(10, 20) = }")
     print(f"Trapezium: {area_trapezium(10, 20, 30) = }")
     print(f"Circle: {area_circle(20) = }")
     print("\nSurface Areas of various geometric shapes: \n")
     print(f"Cube: {surface_area_cube(20) = }")
     print(f"Sphere: {surface_area_sphere(20) = }")
-    print(f"Rhombus: {area_rhombus(10, 20) = }")
+    print(f"Cone: {surface_area_cone(10, 20) = }")
+    print(f"Cylinder: {surface_area_cylinder(10, 20) = }")

From 0de3a2b7664119a6d134e0d4cc3bf3f1c3532d6a Mon Sep 17 00:00:00 2001
From: Rohanrbharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Mon, 11 Oct 2021 16:30:07 +0530
Subject: [PATCH 2/8] Update area.py

---
 maths/area.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/maths/area.py b/maths/area.py
index 6ca32f9cf93e..9a7b460e090a 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -46,7 +46,7 @@ def surface_area_cone(radius: float, height: float) -> float:
     """
     Calculate the Surface Area of a Cone.
     Wikipedia reference: https://en.wikipedia.org/wiki/Cone
-    Formula: pi * r * (r + (h^2 + r^2)^0.5)
+    Formula: pi * r * (r + (h ** 2 + r ** 2) ** 0.5)
     
     >>> surface_area_cone(10, 24)
     1130.9733552923256

From cb426ab60244df3abd61630f4ac8fabe240a1cfd Mon Sep 17 00:00:00 2001
From: Rohanrbharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Mon, 11 Oct 2021 16:52:38 +0530
Subject: [PATCH 3/8] Update area.py

---
 maths/area.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/maths/area.py b/maths/area.py
index 9a7b460e090a..4687fa0bfa53 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -41,7 +41,6 @@ def surface_area_sphere(radius: float) -> float:
         raise ValueError("surface_area_sphere() only accepts non-negative values")
     return 4 * pi * radius ** 2
 
-
 def surface_area_cone(radius: float, height: float) -> float:
     """
     Calculate the Surface Area of a Cone.
@@ -69,7 +68,6 @@ def surface_area_cone(radius: float, height: float) -> float:
         raise ValueError("surface_area_cone() only accepts non-negative values")
     return pi * radius * (radius + (height ** 2 + radius ** 2) ** 0.5)
 
-
 def surface_area_cylinder(radius: float, height: float) -> float:
     """
     Calculate the Surface Area of a Cylinder.
@@ -97,7 +95,6 @@ def surface_area_cylinder(radius: float, height: float) -> float:
         raise ValueError("surface_area_cylinder() only accepts non-negative values")
     return 2 * pi * radius * (height + radius)
 
-
 def area_rectangle(length: float, width: float) -> float:
     """
     Calculate the area of a rectangle.

From 33dd37e3f03bb601e471599523761ba70d46c15c Mon Sep 17 00:00:00 2001
From: Rohanrbharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Mon, 11 Oct 2021 16:54:33 +0530
Subject: [PATCH 4/8] Update area.py

---
 maths/area.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/maths/area.py b/maths/area.py
index 4687fa0bfa53..c3ce0c913854 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -41,12 +41,14 @@ def surface_area_sphere(radius: float) -> float:
         raise ValueError("surface_area_sphere() only accepts non-negative values")
     return 4 * pi * radius ** 2
 
+
 def surface_area_cone(radius: float, height: float) -> float:
     """
     Calculate the Surface Area of a Cone.
     Wikipedia reference: https://en.wikipedia.org/wiki/Cone
     Formula: pi * r * (r + (h ** 2 + r ** 2) ** 0.5)
     
+    
     >>> surface_area_cone(10, 24)
     1130.9733552923256
     >>> surface_area_cone(6, 8)
@@ -68,12 +70,14 @@ def surface_area_cone(radius: float, height: float) -> float:
         raise ValueError("surface_area_cone() only accepts non-negative values")
     return pi * radius * (radius + (height ** 2 + radius ** 2) ** 0.5)
 
+
 def surface_area_cylinder(radius: float, height: float) -> float:
     """
     Calculate the Surface Area of a Cylinder.
     Wikipedia reference: https://en.wikipedia.org/wiki/Cylinder
     Formula: 2 * pi * r * (h + r)
     
+    
     >>> surface_area_cylinder(7, 10)
     747.6990515543707
     >>> surface_area_cylinder(6, 8)
@@ -95,6 +99,7 @@ def surface_area_cylinder(radius: float, height: float) -> float:
         raise ValueError("surface_area_cylinder() only accepts non-negative values")
     return 2 * pi * radius * (height + radius)
 
+
 def area_rectangle(length: float, width: float) -> float:
     """
     Calculate the area of a rectangle.

From fc344f4a9c89f9a202a393b940b29db39ec6326d Mon Sep 17 00:00:00 2001
From: Rohanrbharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Mon, 11 Oct 2021 16:59:42 +0530
Subject: [PATCH 5/8] Update area.py

---
 maths/area.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/maths/area.py b/maths/area.py
index c3ce0c913854..93197638cc37 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -47,8 +47,7 @@ def surface_area_cone(radius: float, height: float) -> float:
     Calculate the Surface Area of a Cone.
     Wikipedia reference: https://en.wikipedia.org/wiki/Cone
     Formula: pi * r * (r + (h ** 2 + r ** 2) ** 0.5)
-    
-    
+
     >>> surface_area_cone(10, 24)
     1130.9733552923256
     >>> surface_area_cone(6, 8)
@@ -76,8 +75,7 @@ def surface_area_cylinder(radius: float, height: float) -> float:
     Calculate the Surface Area of a Cylinder.
     Wikipedia reference: https://en.wikipedia.org/wiki/Cylinder
     Formula: 2 * pi * r * (h + r)
-    
-    
+
     >>> surface_area_cylinder(7, 10)
     747.6990515543707
     >>> surface_area_cylinder(6, 8)

From 5d8fcfecba699cb1094ceb068b05b6545bcbc589 Mon Sep 17 00:00:00 2001
From: Rohan R Bharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Thu, 14 Oct 2021 15:47:58 +0530
Subject: [PATCH 6/8] Update area.py

---
 maths/area.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/maths/area.py b/maths/area.py
index 93197638cc37..1fa18f03e001 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -41,6 +41,24 @@ def surface_area_sphere(radius: float) -> float:
         raise ValueError("surface_area_sphere() only accepts non-negative values")
     return 4 * pi * radius ** 2
 
+def surface_area_hemisphere(radius: float) -> float:
+    """
+    Calculate the Surface Area of a Hemisphere.
+    Formula: 3 * pi * r^2
+
+    >>> surface_area_hemisphere(5)
+    235.61944901923448
+    >>> surface_area_hemisphere(1)
+    9.42477796076938
+    >>> surface_area_hemisphere(-1)
+    Traceback (most recent call last):
+        ...
+    ValueError: surface_area_hemisphere() only accepts non-negative values
+    """
+    if radius < 0:
+        raise ValueError("surface_area_hemisphere() only accepts non-negative values")
+    return 3 * pi * radius ** 2
+
 
 def surface_area_cone(radius: float, height: float) -> float:
     """
@@ -342,5 +360,6 @@ def area_rhombus(diagonal_1: float, diagonal_2: float) -> float:
     print("\nSurface Areas of various geometric shapes: \n")
     print(f"Cube: {surface_area_cube(20) = }")
     print(f"Sphere: {surface_area_sphere(20) = }")
+    print(f"Hemisphere: {surface_area_hemisphere(20) = }")
     print(f"Cone: {surface_area_cone(10, 20) = }")
     print(f"Cylinder: {surface_area_cylinder(10, 20) = }")

From 18627650479f81e960052658a886932201d81b08 Mon Sep 17 00:00:00 2001
From: Rohan R Bharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Thu, 14 Oct 2021 15:49:32 +0530
Subject: [PATCH 7/8] Update area.py

---
 maths/area.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/maths/area.py b/maths/area.py
index 1fa18f03e001..2bde941f5189 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -41,6 +41,7 @@ def surface_area_sphere(radius: float) -> float:
         raise ValueError("surface_area_sphere() only accepts non-negative values")
     return 4 * pi * radius ** 2
 
+
 def surface_area_hemisphere(radius: float) -> float:
     """
     Calculate the Surface Area of a Hemisphere.

From 70d8ff02a32d18b9b8905a1e382665e87ebdf5c7 Mon Sep 17 00:00:00 2001
From: Rohan R Bharadwaj <89947037+Rohanrbharadwaj@users.noreply.github.com>
Date: Thu, 14 Oct 2021 16:49:39 +0530
Subject: [PATCH 8/8] Update area.py

---
 maths/area.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/maths/area.py b/maths/area.py
index 2bde941f5189..13c05af5f68e 100644
--- a/maths/area.py
+++ b/maths/area.py
@@ -51,6 +51,10 @@ def surface_area_hemisphere(radius: float) -> float:
     235.61944901923448
     >>> surface_area_hemisphere(1)
     9.42477796076938
+    >>> surface_area_hemisphere(0)
+    0.0
+    >>> surface_area_hemisphere(1.1)
+    11.40398133253095
     >>> surface_area_hemisphere(-1)
     Traceback (most recent call last):
         ...