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# Program to calculate area of Circumcircle of an Equilateral Triangle

A circumcircle is a circle that inscribes a regular polygon inside it. The triangle that is inscribed inside a circle is an equilateral triangle. Area of circumcircle of can be found using the following formula,

Area of circumcircle = “*(a * a * (丌 / 3))*”

Code Logic, The area of circumcircle of an equilateral triangle is found using the mathematical formula (a*a*(*丌/3*)). The value of 丌 in this code is coded as 3.14. The expression is evaluated into a float value.

## Example

#include <stdio.h> #include <math.h> int main(){ int a = 5; float area; float pie = 3.14; printf("Program to calculate area of Circumcircle of an Equilateral Triangle\n"); printf("The side of the triangle is %d \n", a); area = ((pie/3)*a*a); printf("The area of of Circumcircle of an Equilateral Triangle is %f \n", area); return 0; }

## Output

Program to calculate area of Circumcircle of an Equilateral Triangle The side of the triangle is 5 The area of circle inscribed inside a square is 19.625000

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