Yechim: #include

3-Variant

Misol: R radiusli aylananing uzunligi, doiraning yuzi, va sharning hajmini toppish

Yechim:

#include

#include

using namespace std;

int main ()

{

float R,L,S,V;

L=2*M_PI*R;

S=M_PI*double(R);

V=4*M_PI*pow(R,3)/3;

cout<<"R ni kiriting:";

cin>>R;

cout<