Summer Circles Quiz

__________ is the distance from the center of a circle to the outer edge of a circle.

• Diameter

• Radius

• Circumference

• Perimeter

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. 

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 does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

To go from diameter to radius, what do I need to do?

• divide by 3.14
• multiply by 3.14
• multiply by 2
• divide by 2

To go from radius to diameter I need to do what?

• divide by 2
• multiply by 2
• multiply by 3.14
• divide by 3.14

The radius of a circle will always be ________ of the diameter of a circle.

• a quarter

• two thirds

• part

• half

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

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