Circles

The definition of radius is

• distance from one point to another point

• distance around the circle

• distance from the center to any point on the circle

• distance across the circle through the center

The definition of diameter is

• distance from the center of any point on the circle

• distance across the circle through the center

• distance from one point to another

• distance around the circle

Say 'TRUE' or 'FALSE'
The diameter is the longest chord of a circle

• TRUE
• FALSE

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

What do we call the red line?

• Chord
• Tangent
• Arc
• Circumference

What do we call the red line?

• Chord
• Arc
• Diameter
• Segment

How long is the radius of this circle?

• 4cm
• 2cm
• 8cm
• 16cm

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

This is a picture of ___________.

• Minor Arc
• Major Arc
• Semi-Circle
• Central Angle