Solve Problems Involving Circumference of a Circle

Solve Problems Involving Circumference of a Circle

Multiple Choice

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

• Radius
• Diameter

Multiple Choice

What is the radius of this circle?

• 12
• 6
• 24

Multiple Choice

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

Multiple Choice

The symbol for Pi is

• π
• Σ
• Ψ
• ⊈

Multiple Choice

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

Multiple Choice

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

Multiple Choice

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

• Diameter
• Radius

Multiple Choice

What is the radius?

• 18
• 72
• 38
• 14

Multiple Choice

What is the point called above

• Center of a circle

• The midpoint of a circle

• potato

• circumcenter

Multiple Choice

What do we call the red line?

• Chord
• Arc
• Diameter
• Segment

Multiple Choice

Find the circumference of this circle

• 25.12 yd

• 12.56 yd

• 4 yd

• 24 yd

Multiple Choice

What is the circumference?

• 48
• 96
• 24
• 18

Multiple Choice

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

Multiple Choice

Find the circumference of this circle

• 31.4 in

• 5 in

• 20 in

• 3.14 in

Multiple Choice

What is the circumference of this circle?

• 3.14 cm 
• 37.7 cm
• 24 cm
• 68.4 cm

Multiple Choice

Find the Circumference of the semicircle.

• 38.55in

• 47.1in

• 77.1in

• 62.1in

Multiple Choice

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 18.5
• 11.3
• 20.3
• 22.6

Multiple Choice

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 12.6
• 20.6
• 25.1
• 33.1