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C Program to check whether the triangle is equilateral, isosceles or scalene
Triangle consists of three sides and three angles. Based on the three sides, there are three types of triangle −
- Equilateral triangle: All three sides are equal.
- Isosceles triangle: All two sides are equal.
- Scalene triangle: No sides are equal.
Follow the algorithm given below for writing the respective program.
Algorithm
Step 1: Declare three sides of triangle. Step 2: Enter three sides at run time. Step 3: If side1 == side2 && side2 == side3 Go to step 6 Step 4: If side1 == side2 || side2 == side3 || side3 == side1 Go to Step 7 Step 5: Else Go to step 8 Step 6: Print the triangle is equilateral. Step 7: Print the triangle is isosceles. Step 8: Print the triangle is scalene.
Program
Following is the C program to check whether the triangle is equilateral, isosceles or scalene −
#include<stdio.h>
int main(){
int side1, side2, side3;
printf("Enter sides of triangle:");
scanf("%d%d%d",&side1,&side2,&side3);
if(side1 == side2 && side2 == side3)
printf("The Given Triangle is equilateral
");
else if(side1 == side2 || side2 == side3 || side3 == side1)
printf("The given Triangle is isosceles
");
else
printf("The given Triangle is scalene
");
return 0;
}Output
Let us compile and run the above program that will produce the following result −
Run1: Enter sides of triangle:3 4 6 The given Triangle is scalene Run2 : Enter sides of triangle:2 2 5 The given Triangle is isosceles Run 3: Enter sides of triangle:5 5 5 The Given Triangle is equilateral
Updated on: 07-Nov-2023
42K+ Views
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