Discovering the History of Pi

What is the relationship between pi and the diameter of a circle?

• Pi is the square of the diameter.

• Pi is the ratio of the circumference to the diameter.

• Pi is the sum of the diameter and the radius.

Which of the following is a true statement about pi?

• Pi is a rational number.

• Pi is an integer.

• Pi is an irrational number.

• Pi is a whole number.

What is the approximate value of pi to two decimal places?

• 3.12

• 3.14

• 3.16

• 3.18

What is the value of pi to the first five decimal places?

• 3.14159

• 3.14149

• 3.14169

• 3.14179

What is the significance of the number 22/7 in relation to pi?

• It is the exact value of pi.

• It is an approximation of pi.

• It is the square of pi.

• It is the reciprocal of pi.

Which ancient civilization is credited with the earliest known written approximations of pi? (the first ones the text talks about)

• Romans

• Greeks

• Babylonians

• Egyptians

Who was the first person to calculate the value of pi?

• Archimedes

• Isaac Newton

• Albert Einstein

• Pythagoras

Which mathematician used polygons to approximate the value of pi?

• Euclid

• Archimedes

• Ptolemy

• Fibonacci

What is the formula for the circumference of a circle using pi?