The value of π (pi) is approximately 3.14159. It is an irrational number, which means it cannot be expressed exactly as a simple fraction and its decimal representation goes on forever without repeating.

Would you like more details or have any questions about this?

Here are 5 numbered questions you might want to ask:

1. How is π used in geometry?
2. What is the significance of π in trigonometry?
3. Can you explain why π is an irrational number?
4. How is π calculated to so many decimal places?
5. What are some real-world applications of π?

Tip: Understanding π is fundamental in mathematics, especially in areas involving circles and periodic functions.