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C Programming Exercise - Program to Find Area and Circumference of a Circle
FAQs on C Programming Exercise - Program to Find Area and Circumference of a Circle
| 1. What is the formula to find the area of a circle? |  |
Ans. The formula to find the area of a circle is given by the equation: Area = π * radius * radius, where π is a mathematical constant approximately equal to 3.14159 and radius is the distance from the center of the circle to any point on its circumference.
| 2. How can I calculate the circumference of a circle? | |
Ans. The circumference of a circle can be calculated using the formula: Circumference = 2 * π * radius, where π is a mathematical constant approximately equal to 3.14159 and radius is the distance from the center of the circle to any point on its circumference.
| 3. Can I use a different value for π in the calculations? | |
Ans. While the value of π is usually taken as 3.14159, you can use a different approximation if required. However, keep in mind that using a less accurate approximation may lead to less accurate results in your calculations.
| 4. How can I input the radius of the circle in the program? | |
Ans. To input the radius of the circle in the program, you can use the scanf() function in C. For example, you can prompt the user to enter the radius using the printf() function and then use scanf() to read the radius value from the user.
| 5. Is it possible to find the area and circumference of multiple circles in one program execution? | |
Ans. Yes, it is possible to find the area and circumference of multiple circles in one program execution. You can achieve this by using loops in your program. For example, you can use a for loop to iterate over a list of radii and calculate the area and circumference for each radius in the list.
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Apr 20, 2026 Last updated
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