Pi Week Quiz 1

What is Pi?

• The ratio of a circle's circumference to its diameter

• A rational number created by Euler

• A number who's ratio is the same as the ratio of the sum of its larger two quantities

• I have no clue

What is the symbol for Pi?

What famous scientist was born on Pi Day?

Who discovered Pi?

• A pastry chef

• Albert Einstein

• Archimedes

• Isaac Newton

What are the first five digits of Pi after the decimal?

• 3.14195

• 3.14519

• 3.14159

• 3.14549

A circle has a diameter of 10cm, what is its exact area?

What is the formula for calculating the volume of a sphere?

What of the following is an approximation for Pi?

Answer explanation

Fun Fact: Archimedes used this approximation because there were no calculators during his time.

What is the area of the sector, in terms of pi?

Approximately how many digits of Pi have been calculated?

• 18 Million

• 18 Trillion

• 62 Million

• 62 Trillion

Answer explanation

Fun Fact: A team of Swiss researchers used a super computer with the OS Ubuntu 20.04, and a calculator software called Y-Cruncher to calculate all 62 Trillion Digits!