// Question 1. 
// Write a program that reads in the length of sides 
// of an equilateral triangle and computes the area and volume.
import static java.lang.Math.sqrt;
import java.util.Scanner;

public class Lab_3 {
    
    public static void main(String[] args) {
        
    
        Scanner scanner = new Scanner(System.in);
        //input step.
        System.out.println("Please Enter the lenght of the sides: ");
        double lengthSide = scanner.nextDouble();
        
        System.out.println("Please Enter the height of the triangle: ");
        double height = scanner.nextDouble();
        
        //procesing step.
        double areaOfTriangle = sqrt(3)/4 * (Math.pow(lengthSide,2));
        //heighL*height = Math.pow(height,2)
        double volumeOfTriangle = areaOfTriangle * height;
        
        //telling user what happen.
      //you can use (format function) if you want after point (two,three or one number digits). like first one.
        System.out.format("The area of Triangle is :%.03f ",areaOfTriangle);
        System.out.println("The area of Triangle is: "+areaOfTriangle);
        System.out.println("The volume of Triangle is: "+volumeOfTriangle);
        
   
    }
}