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Following program shows you how to calculate triangle circumference.
This program gets triangle sides from user and calculates circumference and prints it using following formula
`Circumference = side1 + side2 + side3`

``````import java.util.Scanner;

public class MathGeometry2 {

public static void main(String[] args) {

double triangleSide1;
double triangleSide2;
double triangleSide3;

Scanner in = new Scanner(System.in);

System.out.println("Enter the side1 of triangle:");
triangleSide1 = in.nextDouble();

System.out.println("Enter the side2 of triangle:");
triangleSide2 = in.nextDouble();

System.out.println("Enter the side3 of triangle:");
triangleSide3 = in.nextDouble();

double circumferenceOfTriangle = triangleSide1 + triangleSide2 + triangleSide3;
System.out.println("Circumference of triangle is: " + circumferenceOfTriangle);

}
}
``````

### Output:

``````Enter the side1 of triangle:
20
Enter the side2 of triangle:
10
Enter the side3 of triangle:
30
Circumference of triangle is: 60.0
``````

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