Pi in your face
This is the most common fractional equivalent to pi.
What is 22/7
What famous person shares a birthday with Pi?
Who is Albert Enstein?
This is the formula for the area of a circle.
What is A= pi * r * r OR pi * r squared
This epic band famously sang about the pie in the sky by singing " the wheel in the sky keeps on turning.."
Who is Journey?