Parts of a Circle

The distance across a circle through the center is called the_______________.

• radius
• circumference
• diameter
• area

What is the radius if the diameter is 10 m ?

• 5
• 20
• 2

Tags

CCSS.7.G.B.4

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

• Radius
• Diameter

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

• Radius
• Diameter

Name the pictured part of the circle.

• Center

• Diameter

• Radius

• Arc

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What does the line segment on the circle represent?

• the radius

• the diameter

• the circumference

Tags

CCSS.HSG.C.A.2

What does the line segment on the circle represent?

• the radius

• the diameter

• the circumference

What part of a circle does the red line represent?

• the radius

• the diameter

• the circumference

What is the length around a circle called?

• the radius

• the diameter

• the circumference