Circles: Radius, Diameter and Circumference

The distance from the outside of the circle to the inside of the circle is known as...

• radius
• diameter
• circumference
• area

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

• Radius
• Diameter
• Circumference

• Pi

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance across the entire circle, MUST PASS through the center. 

Tags

CCSS.HSG.C.A.2

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

• Radius
• Diameter
• Circumference

• Pi

The circumference of a circle is?

• The measurement from an edge of a circle to another edge.
• The distance around the circle, AKA the perimeter.

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

What is this called?

• Pi

• Diameter

• Circumference

• Radius

What is the formula we use to find the Radius?

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Tags

CCSS.7.G.B.4

What is the radius of this circle?

Tags

CCSS.7.G.B.4

What is the formula we use to find the Diameter?

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Tags

CCSS.7.G.B.4

What is the diameter of this circle?

Tags

CCSS.7.G.B.4