Ratio of Circumference and Diameter Equal Pi

π is equal to circumference divided by _________________ .

• radius

• diameter

• area

• itself

π is a ratio.

It compares a circle's circumference

to its _________________.

• radius

• diameter

• area

• itself

π is a ratio.

It compares a circle's ____________

to its diameter.

• radius

• diameter

• circumference

• itself

The symbol for Pi is

• π

• Σ

• Ψ

• ⊈

What symbol is used to represent the ratio of a circle's circumference to its diameter?

• Pi

• Omega

• Alpha

• Sigma

• pi

• beta

• alpha

• sigma

We use this value for PI:

• 3.14

• 314

• 3.41

• 31.519875

The diameter of a circular pool is 24.8 feet and the circumference is 77.9 feet. What should you do to find π?

• 77.9 / 24.8

• 24.8 / 77.9