Pi Day

Which are true about "Defining Pi?"

(Slide 4)

• Denoted by the symbol π

• Defined as the ratio of the circumference of a circle to its diameter.

• Referred to as Archimedes' constant

• It taste really good

• It is a circle

Select the ALL points that are on the circumference of the circle.

(Slide 6)

Identify the point that represents the center of the circle.

(Slide 6)

Select the point that is part of the horizontal diameter line.

Select the point that is part of the radius.

(Slide 6)

What is the ratio pi?

(Slide 7)

• It is a symbol

• It is a number

• It's a dessert we eat

• 3.14

• 3

• 314

• 13

What is pi used for? Select ALL that apply.

(Slide 7)

• To find the area of a circle.

• To find the area of a octagon

• To find the circumference of a circle

• To find the volume of a shape

• To find the area of a square

Pi is an irrational number.

(Slide 12)

• True
• False

Who first "found" or discovered pi?

(Slide 16)

• The egyptions

• The Greek mathemaaticians

• The ancient Babylonians

• Albert Einstein

• Archimedes