Question

Using C language, write a program that reads in the radius of a circle and print the circle’s diameter, circumference and area. Use the constant value 3.1419 for pi. Perform each of these calculations inside the printf statement(s) and use the data type float for variables with its conversion specifier %f.

Answer 1

Thanks for the question, here is the C code.

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#include <stdio.h>

int main(){

               

               

                float radius;

               

                const float PI =3.1419;

               

                printf("Enter the radius of the circle: ");

                scanf("%f", &radius);

               

               

                printf("Diameter of the circle = %.2f\n",radius*2);

                printf("Circumference of the circle = %.2f\n",2*PI*radius);

                printf("Area of the circle = %.2f\n",PI*radius*radius);

               

                return 0;              

               

}

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