This program calculates the diameter, circumference, and area of a circle based on the radius provided by the user. It uses basic mathematical formulas and prints the results to the console.
- Calculates the diameter of a circle.
- Calculates the circumference of a circle.
- Calculates the area of a circle.
- Diameter = 2 × radius
- Circumference = 2 × π × radius
- Area = π × radius²
C compiler (e.g., GCC) Basic understanding of C programming