Pi Day Trivia (+ Angles Vocab)

What day is Pi Day celebrated on?

• March 31
• March 15
• March 14

What famous scientist was born on Pi Day in 1879?

• Archimedes
• Einstein
• Galileo
• Newton

An angle that measures less than 90°

• Acute
• Obtuse
• Right
• Straight

Is pi irrational, rational, both, or neither?

• Both
• Irrational
• Rational
• Neither

What is the "formal" definition of pi?

• 22/7
• 3.1415926
• the ratio of a circle's circumference to its diameter
• the surface area of a sphere of diameter 22/7

This is what kind of angle?

• right
• acute
• obtuse
• straight

What does this symbol represent?

• a letter from the English alphabet
• a greek letter
• pie
• pi

How many digits are in pi?

• 10 trillion
• 5 billion 
• infinite 
• a lot 

Which type of angle is pictured?

• Acute
• Right
• Obtuse
• Straight

What do you get when you divide the circumference of a Jack-o-Lantern by its diameter?

• Pumpkin
• Jack-o-Lantern
• Pumpkin Pi
• Pi in the Sky