Twierdzenie Pitagorasa

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            string texta = textBox1.Text;
            string textb = textBox6.Text;
            int a = Convert.ToInt32(texta);
            int b = Convert.ToInt32(textb);
            int c = a * a + b * b;
            double wynikc = Math.Sqrt(c);
            string wynik = Convert.ToString(wynikc);
            MessageBox.Show(wynik);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string textc = textBox2.Text;
            string texta = textBox5.Text;
            int c = Convert.ToInt32(textc);
            int a = Convert.ToInt32(texta);
            int b = c * c - a * a;
            double wynikb = Math.Sqrt(b);
            string wynik = Convert.ToString(wynikb);
            MessageBox.Show(wynik);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            string textc = textBox3.Text;
            string textb = textBox4.Text;
            int c = Convert.ToInt32(textc);
            int b = Convert.ToInt32(textb);
            int a = c * c - b * b;
            double wynika = Math.Sqrt(a);
            string wynik = Convert.ToString(wynika);
            MessageBox.Show(wynik);
        }
    }
}