Circle introduction

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

The radius of a circle is

• The measurement from the center to an edge of the circle.

• The measurement around the circle

• The measurement from an edge of a circle to another edge through the center

The diameter of a circle is:

• The measurement around the circle.

• The distance from the center of a circle to the edge.

• The distance from an edge of a circle to another edge through the center.

Tags

CCSS.HSG.C.A.2

Which segment is the diameter?

• DE

• BO

• AO

• AB

Which point is the center?

• O

• A

• B

• C

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

• 20ft

• 5ft

• 31.4ft

Tags

CCSS.7.G.B.4

What is the radius of this circle?

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 60 in

• 30 in

• 15 in

Tags

CCSS.7.G.B.4

What is the radius in the diameter of a circle is 20ft?

• 10ft

• 40ft

• 100ft

Tags

CCSS.7.G.B.4