Intro to Circles

If the radius of a circle is 25, then what is the diameter?

• 25

• 50

• 100

Tags

CCSS.7.G.B.4

If the diameter of a circle is 42, then what is the radius?

• 42

• 3.14

• 20

• 21

Tags

CCSS.7.G.B.4

π = ?

• 3

• 314

• 3.14

• 34

Tags

CCSS.HSG.GMD.A.1

What color is the diameter?

• green

• red

• yellow

What color is the circumference?

• yellow

• red

• green

If you multiply π × r × r  then you will get the...

• radius

• diameter

• circumference

• area

Tags

CCSS.7.G.B.4

If you multiply π × r² then you will get the...

• Circumference

• Area

• Radius

• Diameter

Tags

CCSS.7.G.B.4

The distance around a circle is called its:

• Diameter

• Radius

• Circumference

• Area

How many degrees are in a circle?

• 90

• 180

• 270

• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m 

Tags

CCSS.7.G.B.4