Circumference and Area of Circles

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

• Diameter
• Radius

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

Tags

CCSS.HSG.C.A.2

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

• Diameter
• Radius

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

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

Tags

CCSS.7.G.B.4

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

• 339.12 m
• 169.56 m
• 84.78 m 

Tags

CCSS.7.G.B.4

What is the circumference of this circle?  Round to the nearest tenth.

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

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm
• 3.14 mm
• 31.4 mm
• 20 mm

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

Tags

CCSS.7.G.B.4

Brian made a tasty burger. The diameter of the
burger was 5 cm. What is the radius of the circle?

• 15.7 cm
• 10 cm
• 2.5 cm
• 31.4 cm

Tags

CCSS.7.G.B.4

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.HSG.C.A.2