Parts of a circle

What does circumference measure?

• The inside of a circle

• The outside of a circle

• The area of a circle

• None of these

The radius of a circle starts at one edge of the circle and ends at another edge of the circle.

• True

• False

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

• Radius
• Diameter

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the radius?

• 18
• 72
• 38
• 14

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

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

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

The distance from the center of the circle to any point on the circle is called the...

• radius
• diameter
• circumference
• area

The distance all the way across the circle, but through the center, is called the...

• radius
• diameter
• circumference
• area

A diameter is also a chord. 

• True
• False 

Tags

CCSS.HSG.C.A.2