CProgram

Find Area of Square & Circumference of a Circle

Write a C program to find the area of a square & circumference of a circle.

#include <stdio.h>
#define PI 3.142
main()
{
float len, r, area, circum;
printf(“\nEnter length of a square: “);
scanf(“%f”, &len);
area = len * len;
printf(“\nEnter radius of a circle: “);
scanf(“%f”, &r);
circum = 2 * PI * r;
printf(“\nArea of square = %.2f”, area);
printf(“\nCircumference of circle = %.2f”, circum);
getch();
}

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