Posted by: ujl September 23, 2014
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Hi Alece, can you check where have i gone wrong?
#include
#include
using namespace std;
//Constant Declaration
const float PI = 3.14159265;
//Variable Declaration
float r;
int main()
{
string diameter;
string perimeter;
string area;
float r; //Radius of a semicircle
diameter, perimeter, area;
cout << "Input a command of either diameter, perimeter or area," << endl;
cout << "followed by a space, and float value for the radius." <
// ***** COMPUTATION *****
// Using nested if statements to calculate the diameter,
// perimeter, and area based on formulas provided on
// Prog1.txt
{
if ( r > 0 )
diameter = 2 * r;
perimeter = r * ( 2 + PI );
area = PI * pow(r,2) / 2;
else if ( r <= 0 )
cout << "You should have entered a positive value." << endl;
}
cout << "The diameter of a semicircle is " << diameter << endl;
cout << "The perimeter of a semicircle is " << perimeter << endl;
cout << "The area of a semicircle is " << area << endl;
return 0;
}
#include
#include
using namespace std;
//Constant Declaration
const float PI = 3.14159265;
//Variable Declaration
float r;
int main()
{
string diameter;
string perimeter;
string area;
float r; //Radius of a semicircle
diameter, perimeter, area;
cout << "Input a command of either diameter, perimeter or area," << endl;
cout << "followed by a space, and float value for the radius." <
// ***** COMPUTATION *****
// Using nested if statements to calculate the diameter,
// perimeter, and area based on formulas provided on
// Prog1.txt
{
if ( r > 0 )
diameter = 2 * r;
perimeter = r * ( 2 + PI );
area = PI * pow(r,2) / 2;
else if ( r <= 0 )
cout << "You should have entered a positive value." << endl;
}
cout << "The diameter of a semicircle is " << diameter << endl;
cout << "The perimeter of a semicircle is " << perimeter << endl;
cout << "The area of a semicircle is " << area << endl;
return 0;
}