# WONDER #162: What Is Pi?

Question **1** of **3**

## To calculate the value of pi, divide the circumference of any circle by its ________.

- diameter
- circumference
- area
- radius

Question **2** of **3**

## Experts have been able to calculate pi up to over ___________ digits.

- one million
- 56 billion
- 31 trillion
- 300 quadrillion

Question **3** of **3**

## Pi is an abbreviation of which word derived from the Greek language?

- diameter
- perimeter
- geometry
- circle

Check your answers online at https://wonderopolis.org/index.php/wonder/What-Is-Pi.