Example: Java program to find the area of a triangle if base and height are given

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// Java program to find the area of a triangle if base and height are given
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
    	Scanner in = new Scanner(System.in);

        System.out.println("Enter the base & height of the triangle::\n");

        float b = in.nextFloat();
        float h = in.nextFloat();
        float a;

        // b = base
        // h = height
        // a = area

        // Calculate area of the triangle
        a = (float)((b * h) / 2);

        // Output
        System.out.println("\nArea of the triangle = " + a + " sq. units\n");
    }
}