Programming Examples

Cpp program to input 3 sides of a triangle and print whether it is an equilateral scalene or isosceles triangle


Write a cpp program to input three sides of a triangle and print whether it is an equilateral scalene or isosceles triangle

Solution

#include<iostream>
using namespace std;
int main()
{
     float a,b,c;
     cout<<"Enter three sides of triangle";
     cin>>a>>b>>c;
     if(a+b>c || b+c>a ||a+c>b)
     {
          if(a==b && b==c & c==a)
          {
               cout<<"Equilateral triangle";
          }
          else if(a==b || b==c || c==a)
          {
               cout<<"Isosceles triangle";
          }
          else
          {
               cout<<"Scalene triangle";
          }
     }
     else
     {
          cout<<"Entered sides cannot form a triangle";
     }
     return 0;
}
Output

Enter three sides of triangle

10

10

25

Entered sides cannot form a triangle

-----------------------------------------------

Enter three sides of triangle

10

10

23

Isosceles triangle


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