Uncategories C Program to Calculate Area of Equilatral Triangle

C Program to Calculate Area of Equilatral Triangle

16:52

C Program for Beginners : Area of Square

#include<stdio.h>
#include<math.h>

int main()
{
int side;
float area,r_4;

r_4 = sqrt(3) / 4 ;

printf("nEnter the Length of Side : ");
scanf("%d",&side);

area = r_4 * side * side ;

printf("nArea of Equilateral Triangle : %f",area);
return(0);
}

Output :

Enter the Length of Side : 5
Area of Equilateral Triangle : 10.82

Properties of Equilateral Triangle :

Equilateral triangle is a triangle in which all three sides are equal .
All angles are of measure 60 degree
A three-sided regular polygon

Formula to Calculate Area of Equilateral Triangle :

Explanation of Program :

First of all we have to find the value of Root 3 / 2. So we have used following statement to compute the value.

r_4 = sqrt(3) / 4 ;

Now after computing the value of the Root 3 by 2 we have multiplied it by Square of the side.

area = r_4 * side * side ;

Author : Unknown

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