Assessment#5 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 is the radius of this circle?

• 18
• 36
• 9
• 6

What is the diameter of this circle?

• 3.5
• 6.5
• 6
• 7

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

A Circle has a radius of 4.  What is the area of the circle? (Best Choice) (note: units are squared)

• 4π or about 12.56
• 16π or about 50.24
• 2π or about 6.28
• 8π or about 25.12

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

What is the circumference of this circle?

• 14.13 in.
• 9 in.
• 28.28 in
• 96.08

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm