9: Write a program that takes three sides of a triangle from the user and print if the triangle is equilateral, isosceles or scalene.

 


// Write a program that takes three sides of a triangle from the user and
// print if the triangle is equilateral or isosceles.


#include<iostream>
using namespace std;

int main()
{
        float numa, numb, numc;
       
            cout << "Enter first side length: ";
            cin >> numa;
           
            cout << "Enter second side length: ";
            cin >> numb;
           
            cout << "Enter third side length: ";
            cin >> numc;
           
                if(numa==numb&&numb==numc)
                {
                cout<<"triangle is equilateral \n";
                }
                else if(numa==numb)
                {
                cout<<"triangle is isosceles \n";
                }
               
                else if(numb==numc)
                {
                cout<<"triangle is isosceles \n";
                }
               
                else if(numa==numc)
                {
                cout<<"triangle is isosceles \n";
                }
               
                else{
                cout<<"triangle is scalene\n";
                }
       
        cout << "now you have your answer";
    return 0;
}

Input 1:


Enter first side length: 45
Enter second side length: 45
Enter third side length: 45

Output 1:


triangle is equilateral
now you have your answer

Input 2:


Enter first side length: 72
Enter second side length: 56
Enter third side length: 72

Output 2:


triangle is isosceles
now you have your answer

Input 3:


Enter first side length: 67
Enter second side length: 76
Enter third side length: 77

Output 3:


triangle is scalene
now you have your answer


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