Thread: Need help using the MATH class for an assignment

Cross-Post... Need help using the MATH class for an assignment

import java.util.Scanner;
import java.text.DecimalFormat;
 
public class RightTriangle {
 
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		DecimalFormat df = new DecimalFormat("0.000");
		double side_A, side_B, angle_A, angle_B, hypotenuse;
		final double right_Angle = 90.0;
		System.out.print("Please enter length of side a: ");
		side_A = input.nextDouble();
		System.out.print("Please enter length of side b: ");
		side_B = input.nextDouble();
		System.out.printf("Side A     = %6s\n",df.format(side_A));
		System.out.printf("Side B     = %6s\n",df.format(side_B));
		hypotenuse = Math.sqrt(side_A*side_A+side_B*side_B);
		angle_A = Math.asin(side_B/hypotenuse)*180/Math.PI;
		angle_B = right_Angle-angle_A;
		System.out.printf("Hypotenuse = %6s\n",df.format(hypotenuse));
		System.out.printf("Angle A    = %6s\n",df.format(angle_A));
		System.out.printf("Angle B    = %6s\n",df.format(angle_B));
		System.out.printf("Angle C    = %6s\n",df.format(right_Angle));
	}
 
}

This is what i have so far, now i just need the area and perimeter. stuck at this point.

--- Update ---

I was able to figure it out here is my final result:

import java.util.Scanner;
import java.text.DecimalFormat;
 
public class RightTriangle {
 
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		DecimalFormat df = new DecimalFormat("0.000");
 
		double side_A, side_B, angle_A, angle_B, hypotenuse, triangle_Area, triangle_Perimeter;
		final double right_Angle = 90.0;
 
		System.out.print("Please enter length of side a: ");
		side_A = input.nextDouble();
		System.out.print("Please enter length of side b: ");
		side_B = input.nextDouble();
		System.out.printf("Side a     = %6s\n",df.format(side_A));
		System.out.printf("Side b     = %6s\n",df.format(side_B));
 
		hypotenuse = Math.sqrt(side_A*side_A+side_B*side_B);
		angle_A = Math.asin(side_B/hypotenuse)*180/Math.PI;
		angle_B = right_Angle-angle_A;
		System.out.printf("Hypotenuse = %6s\n",df.format(hypotenuse));
		System.out.printf("Angle A    = %6s\n",df.format(angle_A));
		System.out.printf("Angle B    = %6s\n",df.format(angle_B));
		System.out.printf("Angle C    = %6s\n",df.format(right_Angle));
 
		triangle_Area = side_A*side_B/2;
		System.out.printf("Area       = %6s\n",df.format(triangle_Area));
		triangle_Perimeter = side_A+side_B+Math.sqrt(side_A*side_A+side_B*side_B);
		System.out.printf("Perimeter  = %6s\n",df.format(triangle_Perimeter));
 
		input.close();
	}
}