function definition to calculate area of circleĪrea_circle = 3.14 * radius_circle * radius_circle Printf("Area of circle : %.2f", areaOfcircle(radius)) C program for calculating area of a circle using function #include After that area is calculated and then displayed. In this program first, a user is asked to enter the value of the radius of the circle. Printf("Area of circle : %f", area_circle) ![]() Simple c program to calculate area of circle #include ![]() ![]() Please go through following articles of c programming, if you do not already know about these topics : The formula for the area of the circle is : Area_circle = Π * r * r In this article, we will illustrate c program to calculate area of circle.
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