C PROGRAM TO CALCULATE AREA OF A CIRCLE. ANALYSIS: We included one more header file called <math.h>, it will allow to use pi without declaring it. This program allows user to enter the value of a circumference and then it will calculate the area of circle as per the.C program to find area of circle: c programming code to calculate area of circle. C programming code. Want to watch this again later? Sign in to add this video to a playlist. C Program to Calculate Area and Circumference of circle - C Example. C language interview questions solution for freshers beginners placement tricky good pointers answers explanation operators data types arrays structures functions recursion preprocessors looping file handling strings switch. This C Program calculates the area of a Circle given it’s radius. The formula to calculate the area is: Area = π × r2 where r is the radius of the circle & π value is 22/7. Here is source code of the C program to. As a function can return only one value through its name, we will require two functions in this program to calculate the area and circumference: area and circum. The program given below first defines the main function followed. This C program calculates area of a circle and prints it on the compiler screen. The radius of circle is input by the user. Explanation of Program : In this program we have to calculate the area and circumference of the circle. We have following 2 formulas for finding circumference and area of circle.
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