Pi
Contents
Key Stage 2
Meaning
Pi (π) is the ratio of the circumference of a circle to its diameter.
About π
- π is roughly 3.14.
Key Stage 3
Meaning
Pi (π) is the ratio of the circumference of a circle to its diameter.
About π
- π is roughly 3.142.
Key Stage 4
Meaning
Pi (π) is the ratio of the circumference of a circle to its diameter.
About π
- π is roughly 3.14159265359 correct to 12 significant figures.