#include <stdio.h>
#include <stdlib.h>
#include<time.h>
#include<math.h>
void main() {
	srand(time(NULL));
	printf("Radius\tCircle Area\n");
	printf("--------------------\n");
	int rad[7];
	float area[7];
	for (int i = 0; i < 7;i++) {
	rad[i] = rand() % (12 + 1 - 2) + 2;
	}
	for (int i = 0; i < 7;i++) {
		area[i] = 2*3.14*rad[i]*rad[i];
	}
	for (int i = 0; i < 7; i++) {
		printf("%d\t%.2f\n",rad[i],area[i]);
	}
}