This is the Java Program to Find the Area of a Trapezium.

Given the dimensions of a trapezium, find out its area.

The area of a trapezium can be calculated using the formula:

**Area = (sum of parallel sides)*(height)/2.
**

Here is the source code of the Java Program to Find the Area of a Trapezium. The program is successfully compiled and tested using IDE IntelliJ Idea in Windows 7. The program output is also shown below.

`//Java Program to Find the Area of a Trapezium`

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class AreaOfATrapezium {

`// Function to find area of a trapezium`

public static void main(String[] args) {

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

double l1,l2,height;

System.out.println("Enter the length of the two parallel sides

and the height of the trapezium");

try{

l1=Double.parseDouble(br.readLine());

l2=Double.parseDouble(br.readLine());

height=Double.parseDouble(br.readLine());

}catch (Exception e){

System.out.println("An error occurred");

return;

`}`

if(l1<=0 || l2<=0 || height<=0){

System.out.println("Wrong Input");

`}`

System.out.println("Area = " + (l1+l2)*height/2 );

`}`

`}`

1. In function main(), first, the length of parallel sides and height of the trapezium is taken as input.

2. The condition if(l1<=0 || l2<=0 || height<=0) checks if the input is valid or not.

3. The print statement displays the area of the trapezium.

**Time Complexity: O(1)**

Case 1 (Simple Test Case): Enter the length of the two parallel sides and the height of the trapezium 13.765 23.555 8.0 Area = 149.28

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**If you find any mistake above, kindly email to [email protected]**

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