Radius and Diameter Review Vocabulary

a straight line from the center to the circumference of a circle or space

• Diameter

• Chord

• Radius

• Tangent

Tags

CCSS.HSG.C.A.2

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere

• Diameter

• Chord

• Secant

• Tangent

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

• 38

• 35

• 90

• 140

Tags

CCSS.7.G.B.4

What is the diameter of a circle when the measure of its radii is 24 m?

• 12

• 32

• 25

• 48

Tags

CCSS.7.G.B.4

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

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

Tags

CCSS.HSG.C.A.2

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

What is the radius?

• 18
• 72
• 38
• 14

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