Circumference and area of a circle with radius 2.5 : Double « Data Type « C++

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C++ » Data Type » Double Screenshots  Circumference and area of a circle with radius 2.5   #include <iostream> using namespace std; const double pi = 3.141593; int main() {    double area, circuit, radius = 1.5;    area = pi * radius * radius;    circuit = 2 * pi * radius;    cout << "\nTo Evaluate a Circle\n" << endl;    cout << "Radius:        " << radius    << endl         << "Circumference: " << circuit   << endl         << "Area:          " << area      << endl;    return 0; }                           Related examples in the same category 1. double value cout format 2. Calculates the area of a circle based on a radius inputted by the user. 3. Define, input and output double 4. Do while loop with double value type 5. Create a table of square roots and squares. 6. Read double value from keyboard and save it to another value 7. Get the square root, power and log value of a double 8. Get sin, cos and tan value of an angle in double 9. Using atof: convert string to double 10. Using strtod: convert string to double 11. long double: Formatting includes precision, width, alignment, and format of large numbers. 12. long double: Formatting includes precision, width and fixed with default of right justification when printing.