Circumference

Circumference

​By: Omar Shishani

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

Find the radius of a circle whose diameter is 40 ft.

• 40ft

• 80ft

• 20ft

• 45ft

Multiple Choice

What is the radius?

• 18
• 72
• 38
• 14

Multiple Choice

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

• TRUE
• FALSE

Multiple Choice

What is the diameter of a circle with a radius of 5.5 cm?

• 5.5 cm

• 2.25 cm

• 11 cm

• A:LKFJ:LSKFJ

Multiple Choice

What is the diameter?

• 8
• 16
• 10
• 4

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

Cynthia wants to buy a round photo frame for her brother. The radius of the photo frame is 9 cm. What is the photo frame’s diameter?

• 28.26 cm
• 56.52 cm
• 4.5 cm
• 18 cm

Multiple Choice

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters
• 28.26 meters
• 56.52 meters
• 18 meters

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 a circle with a radius of 12.5 mm.

• 37.68mm
• 18.84mm
• 78.54mm
• none of the above

Multiple Choice

Find the circumference of a circle with a diameter of 11 millimeters.

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.54 cm

Multiple Choice

Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

Multiple Choice

Find the circumference of the circle whose diameter is 10 m

• 31.4 m

• 62.8 m

• 15.7 m

Multiple Choice

Find the circumference of the circle whose radius is 4 in

• 12.56 in

• 25.12 in

• 50.24 in