Question

write the c program for the following. a) To display a welcome message. b)To accept the radius of a circle and to display its area​

Answer 1

Answer:

(a)

#include <stdio.h>

int main()

{

printf("Hello and welcome here");

return 0;

}

(b)

#include <stdio.h>

#include <conio.h>

#define PI 3.141

int main()

{

float radius, area;

printf("Enter radius of circle\n");

scanf("%f", & radius);

area = PI * radius * radius;

printf("Area of circle : %0.4f\n", area);

return 0;

}