#include <stdio.h>
#include <math.h>
int main(void)
{
	double massa = 0.5 + 10.0;
	double plot_voda = 997.0;
	double obem_segmenta = 0;
	double obem_ilia = 0;
	double radius = 0.15;
	double pi = 3.14;
	double radian_3 = 2.1;
	double gradus_3 = 120.0;
	double vysota = 1;
	
	obem_ilia = massa / plot_voda;
	obem_segmenta = (((radius * radius) / 2) * (pi * (gradus_3 / 180) - sin(radian_3))) * vysota;
	
	printf ("объём по Илье %lf\n", obem_ilia);
	printf ("объём по сегменту %lf\n", obem_segmenta);
	
	return 0;
}