Circle

Multiple Choice

What is the diameter?

• 8
• 16
• 10
• 4

Multiple Choice

How many degrees are in 1 part of a circle that is cut into 4 parts?

• 180
• 75
• 90
• 360

Multiple Choice

What is the measure of a circle?

• 90 degrees

• 360 degrees

• 180 degrees

• 270 degrees

Multiple Choice

What is the radius?

• 18
• 72
• 38
• 14

Multiple Choice

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Multiple Choice

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Multiple Choice

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Multiple Choice

Name the pictured part of the circle.

• Center

• Sector

• Radius

• Central Angle

• Arc

Multiple Choice

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Multiple Choice

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Multiple Choice

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

Multiple Choice

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Semicircle

Multiple Select

Which of the following is the formula for the CIRCUMFERENCE of a circle? (Select all that apply)

• $$2\pi r$$  

• $$\pi d$$  

• $$2\pi r^2$$  

• $$\pi r^2$$  

Multiple Choice

Which of the following is the formula for the AREA of a circle?

• $$2\pi r$$  

• $$\pi d$$  

• $$2\pi r^2$$  

• $$\pi r^2$$  

Multiple Choice

A diameter is also a chord. 

• True
• False 

Multiple Choice

Name the circle part shaded in green

• Radius

• Diameter

• Semi-circle

• Arc

Multiple Choice

How many total degrees make a circle?

• 360
• 316
• 90
• 450

Multiple Choice

An arc is a smaller piece of the

• Chord
• Center
• Circumference
• Radius

Multiple Choice

What is twice as long as a radius

• Center
• Diameter
• Tanget
• Arc

Multiple Choice

If the diameter of a circle is 10 cm, the radius is 5 cm.

• TRUE
• FALSE

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

What is the line that goes from the center of a circle to any point on the circle?

• Diameter

• Circumference

• Chord

• Radius

Multiple Choice

What is a straight line that goes through the center of a circle from side to opposite side?

• Diameter

• Circumference

• Radius

• Center

Multiple Choice

What is the measurement around the outside of a circle called?

• Diameter

• Circumference

• Radius

• Center

Multiple Choice

What is the point that is an equal distance from all the points on a circle? (this is where your finger holds the compass)

• Diameter

• Circumference

• Center

• Chord

Multiple Choice

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

• Diameter

• Radius