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Java Program to Find the Area of a Trapezium
In this article, we will understand how to find the area of a trapezium. Trapezium is a type of quadrilateral that has at least one pair of side parallel to each other. The parallel sides of a trapezium are called bases and the non-parallel sides of a trapezium are called legs. It is also called a trapezoid.
The area of a trapezium is calculated using the formula −
(height/2 * (side_1 + side_2). i.e. Area = ½ x (sum of the lengths of the parallel sides) x perpendicular distance between parallel sides
Below is a demonstration of the same. Area of a trapezium with the length of the parallel sides a and b and the height of the trapezium h is given by −
Input
Suppose our input is −
side_1 = 5 side_2 = 6 height = 6
Output
The desired output would be −
Area of trapezium is: 33.0
Algorithm
Step 1 - START Step 2 – Declare three integer values namely side_1 , side_2 and height. Declare a float value namely my_area. Step 3 - Read the required values from the user/ define the values Step 4 – Calculate the area of the trapezium using the formula (height/2 * (side_1 + side_2) and store the result Step 5- Display the result Step 6- Stop
Example 1
Here, the input is being entered by the user based on a prompt. You can try this example live in ourcoding ground tool 
.
import java.util.Scanner;
public class AreaOfTrapezium {
public static void main(String args[]){
int side_1 , side_2 , height ;
System.out.println("Required packages have been imported");
Scanner my_scanner = new Scanner(System.in);
System.out.println("A reader object has been defined ");
System.out.print("Enter the length of the first parallel side: ");
side_1 = my_scanner.nextInt();
System.out.print("Enter the length of the first parallel side : ");
side_2 = my_scanner.nextInt();
System.out.print("Enter the heigth of the trapezium : ");
height = my_scanner.nextInt();
float my_area = (height/2 * (side_1 + side_2));
System.out.println("The area of trapezium is: " + my_area);
}
}Output
Required packages have been imported A reader object has been defined Enter the length of the first parallel side: 5 Enter the length of the first parallel side : 6 Enter the heigth of the trapezium : 6 The area of trapezium is: 33.0
Example 2
Here, the integer has been previously defined, and its value is accessed and displayed on the console.
public class AreaOfTrapezium {
public static void main(String args[]){
int side_1 = 5, side_2 = 6, height = 6;
System.out.println("The sides and height of the trapezium is defined as " +side_1 + ", " + side_2 + " and " + height);
float my_area = (height/2 * (side_1 + side_2));
System.out.println("The area of Trapezium is: " + my_area);
}
}Output
The sides and height of the trapezium is defined as 5, 6 and 6 The area of Trapezium is: 33.0
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