Complete the following program which calculates and displays the area and perimeter of a circle Hint: area of circle = circumference of circle = 2r /*Program to find the circumference and area of a circle #include-stdio.h> #define PI 3.142 void main float circum, area; float radius; void circumarea(float, float *, float*); printf"nEnter the radius of a circle in metres:In"); //read radius from the keyboard /call circumarea in main() printf("nCircumference of the circle is %f metres", circum); printf(" Area of the circle is %fsq.metres", area); void circumarea (float r, float *ci, float *ar)