Circles| What is pi?

What is the symbol for pi?

• #

• π

• &

• %

Tags

CCSS.HSG.GMD.A.1

What is the ratio of the circumference of a circle to its diameter? (Hint: A 2 letter word)

If you divide the circumference of a circle by its diameter, what answer will you always get?

• The radius

• The area

• Pi

• A pie

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 cm, the circumference is approximately ___

• 314 cm

• 3.14 cm

• 31.4 cm

• 20 cm

To find the circumference of a circle, you must multiply the ________________ by 3.14.

• circumference

• area

• radius

• diameter

Tags

CCSS.7.G.B.4

What is the "formal" definition of pi?

• 3.1415926

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

Tags

CCSS.7.G.B.4

• 22.7

• 2.27

• 3.14

• 3.17

Tags

CCSS.8.NS.A.2

Tags

CCSS.8.NS.A.2