Radius and Diameter Circumference

A straight line from the center of a circle to the circumference is called the ____.

• Diameter

• Circumference

• Radius

• Area

Tags

CCSS.HSG.C.A.2

A straight line segment that passes through the center of a circle and whose endpoints lie on the circumference of the circle is called the ____.

• Diameter

• Radius

• Circumference

• Area

Tags

CCSS.HSG.C.A.2

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

• Radius

• Diameter

What is the radius of a circle when the diameter is 70 m?

• 38 m

• 35 m

• 90 m

• 140 m

Tags

CCSS.7.G.B.4

• F
• G
• H
• J

Tags

CCSS.7.G.B.4

Are you given a radius or diameter?

• radius

• diameter

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

• Radius

• Diameter

What is the circle's radius?

• 3 m

• 6 m

• 12 m

Is this Radius or Diameter?

• Radius

• Diameter

Is this Radius or Diameter?

• Radius

• Diameter