Parts of a Circle and Circumference

Identify the center of the circle.

• A

• B

• There is no center labeled

Tags

CCSS.HSG.CO.A.1

If D is the center, check all of the radii of the circle

• AD

• AC

• BD

• CD

• BA

Tags

CCSS.HSG.C.A.2

CCSS.HSG.GPE.A.1

P is the center so RQ would be the_____

Tags

CCSS.HSG.C.A.2

Radius is _______ the way across the circle. (one word)

Tags

CCSS.HSG.C.A.2

Click on all the true statements about the diameter of a circle.

• The diameter goes the full way across the circle through the center.

• To find the diameter divide the radius by 2

• To calculate the diameter multiply the radius by 2

• The diameter goes half way across the circle

Tags

CCSS.HSG.C.A.2

The diameter is the ________ way across the circle. (one word)

Tags

CCSS.HSG.C.A.2

What is the length of the diameter for this circle?

Tags

CCSS.7.G.B.4

What is the length of the radius for this circle?

• 23 feet

• 46 feet

• 92 feet

Tags

CCSS.7.G.B.4

What is the formula for Circumference of a circle?

• C= π d

• C= π r

• C= 2(π d)

Tags

CCSS.7.G.B.4

What is the circumference of this circle?

• 37.68

• 18.84

• 452.16

Tags

CCSS.7.G.B.4