lab4(102)
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#include <iostream>
#include <cmath>
using namespace std;
int main() {
double r, a, x, y, z, c, d, e, S1, S2, S3, S4, F, p;
cin>>r>>a>>x>>z>>c>>d>>e;
S1 = 2*3.14*r;
S2 = a*a;
S3 = x*y;
p = (c+d+e)/2;
S4 = sqrt(p*(p-c)*(p-d)*(p-e));
F = max(max(S1, S2), max(S3, S4));
cout<<"Наибольшая фигура с площадью ";
cout<<F;
}
Cpp
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