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The calculating in language c++

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Kawthar
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2022-05-23
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The calculating and printing in language c++

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Kawthar
2022-05-23
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#include <iostream.h>
int main () 
{
Const float p=3.14 ;
float area, r  ;
Cout << "enter r \n " ;
Cin >> r ;
area= p*r*r ;
Cout<<"circle area=" <<area ; 
return 0 ;
}

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