circles gurijala's class

What is the radius of this circle?

• 18

• 10

• 9

• 8

What is the diameter of this circle?

• 3.5

• 3

• 5

• 7

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

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

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

What is the diameter?

• 8 cm

• 16 cm

• 10 cm

• 4 cm

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 ratio of circumference to diameter is 

• irrational

• half

• rational

• pi

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards

• 25 yards

• 150 yards

• 15 yards