History of Pi quiz

Pi is?

• The ratio of the circumference to the diameter of a circle

• another word for diameter

• another word for circumference

• none of the above

Pi has been known about since __

• 1910

• the 1600s

• Ancient times

• none of the above

3.1415926535897932384626433832795028 includes all of the digits of pi.

• true

• false

Archimedes calculated pi using ___

• decimals

• calculus

• computers

• polygons

Pi can be used to calculate the _____ of a circle.

• Area

• Circumference

• Diameter

• All of the above

Who calculated pi first?

• Archimedes

• Van Ceulen

• Lambert

• Ramaujan

A circle with a radius of 5 inches would have an area of about _______

• 15.7 square inches

• 25 square inches

• 31.4 inches

• 78.5 square inches

A circle with a diameter of 10 inches would have a circumference of about _____.

• 78.5 square inches

• 15.7 square inches

• 31.4 inches

• 25 square inches