Circumference of Circles

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.4.MD.A.2

CCSS.4.OA.A.2

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Tags

CCSS.7.G.B.4

True or False: The radius goes half way across the circle

• False

• True

Tags

CCSS.7.G.B.4

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 diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Tags

CCSS.7.G.B.4

The distance across a circle through the center is called what?

• Area

• Diameter

• Circumference

• Radius

Tags

CCSS.7.G.B.4

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

Tags

CCSS.7.G.B.4