Circles and Arc Length

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

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

What is the circumference of this circle?

• 3.14 cm

• 37.7 cm

• 24 cm

• 68.4 cm

Find the circumference of a circle with a radius of 12.5 mm.

• 37.68mm

• 18.84mm

• 78.54mm

• none of the above

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m

• A

• B

• C

• D

• A

• B

• C

• D

What is the arc length of this semi circle, rounded to one decimal place.

• 45.6 cm

• 74.6 cm

• 91.2 cm

• 120.1 cm

Find the length of the arc to 2dp

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

• A

• B

• C

• D