8.1-8.2 Quiz Review

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

• Radius

• Diameter

• Center

• Chord

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 is the radius?

• 18
• 72
• 38
• 14

Find the radius of a circle who's diameter is 40 ft.

• 40ft
• 80ft
• 20ft
• 45ft

The distance halfway across the circle is called the...

• radius
• diameter
• circumference
• area

The distance from the center of the circle to any point on the circle is called the...

• radius
• diameter
• circumference
• area

The distance across the circle through the center is called the...

• radius
• diameter
• circumference
• area

A _____ is half of a circle.

• circumference

• pi

• semicircle

• composite figure