In this article we will show you, How to write Python Program to find Area of a Right Angled Triangle with example. Before we step into the program, Let see the definition and formula behind Area of a Right Angled Triangle
Area of a Right Angled Triangle
If we know the width and height then, we can calculate the area of a right angled triangle using below formula.
Area = (1/2) * width * height
Using Pythagoras formula we can easily find the unknown sides in the right angled triangle.
c² = a² + b²
Perimeter is the distance around the edges. We can calculate perimeter using below formula
Perimeter = a + b+ c
Python Program to find Area of a Right Angled Triangle
This program allows the user to enter width and height of the right angled triangle. Using those values we will calculate the Area and perimeter of the right angled triangle.
PYTHON CODE
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# Python Program to find Area of a Right Angled Triangle import math width = float(input('Please Enter the Width of a Right Angled Triangle: ')) height = float(input('Please Enter the Height of a Right Angled Triangle: ')) # calculate the area Area = 0.5 * width * height # calculate the Third Side c = math.sqrt((width*width) + (height*height)) # calculate the Perimeter Perimeter = width + height + c print("\n Area of a right angled triangle is: %.2f" %Area) print(" Other side of right angled triangle is: %.2f" %c) print(" Perimeter of right angled triangle is: %.2f" %Perimeter) |
OUTPUT
ANALYSIS
First, We imported the math library using the following statement. This will allow us to use the mathematical functions like math.sqrt function
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import math |
Following statements will allow the User to enter the Width and Height of a right angled triangle.
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width = float(input('Please Enter the Width of a Right Angled Triangle: ')) height = float(input('Please Enter the Height of a Right Angled Triangle: ')) |
Next, we are calculating the area (The value of 1/2 = 0.5). So we used 0.5 * width*height as the formula
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Area = 0.5 * width * height |
In the next line, We are calculating the other side of a right-angled triangle using the Pythagoras formula C²=a²+b² , Which is similar to C = √a²+b²
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c = math.sqrt((width*width) + (height*height)) |
Here we used sqrt() function to calculate the square root of the a²+b². sqrt() is the math function, which is used to calculate the square root.
In the next line, We are calculating the perimeter using the formula
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Perimeter = width + height + c |
Following print statements will help us to print the Perimeter, Other side and Area of a right angled Triangle
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print("\n Area of a right angled triangle is: %.2f" %Area) print(" Other side of right angled triangle is: %.2f" %c) print(" Perimeter of right angled triangle is: %.2f" %Perimeter) |
Python Program to find Area of a Right Angled Triangle using functions
This program allows the user to enter the width and height of a right angled triangle. We will pass those values to the function arguments to calculate the area of a right angled triangle.
PYTHON CODE
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# Python Program to find Area of a Right Angled Triangle using Functions import math def Area_of_a_Right_Angled_Triangle(width, height): # calculate the area Area = 0.5 * width * height # calculate the Third Side c = math.sqrt((width * width) + (height * height)) # calculate the Perimeter Perimeter = width + height + c print("\n Area of a right angled triangle is: %.2f" %Area) print(" Other side of right angled triangle is: %.2f" %c) print(" Perimeter of right angled triangle is: %.2f" %Perimeter) Area_of_a_Right_Angled_Triangle(9, 10) |
ANALYSIS
First, We defined the function with two arguments using def keyword. It means, User will enter the width and height of a right angled triangle. Next, We are Calculating the Area of a right angled triangle as we described in our first example.
OUTPUT
NOTE: We can call the function with arguments in .py file directly or else we can call it from the python shell. Please don’t forget the function arguments
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