Lesson1_Area_of_triangle

Area of a triangle

package maricka.kolokolova;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		
		double a;
		double b;
		double c;
		System.out.println("Input a:");
		a = sc.nextDouble();
		System.out.println("Input b:");
		b = sc.nextDouble();
		System.out.println("Input c:");
		c = sc.nextDouble();
		
		double p = (a + b + c) / 2;
		double sq = Math.sqrt(p * (p - a) * (p - b) * (p - c));

		System.out.println("Area of a triangle: " + sq);
		sc.close();
	}

}