Radius, Diameters, Circumference, Area of Circles

What is the circumference rounded to the nearest whole number?

• 50 cm

• 96 cm

• 24 cm

• 18 cm

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.96 cm²

• 153.86 cm²

• 87.82 cm²

• 307.72 cm²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 82.13 m²

• 78.54 m²

• 314.16 m²

• 170.12 m²

Tags

CCSS.7.G.B.4

The radius of a circle is 3 cm.  What is the circle's diameter?

• 9.4 cm

• 6 cm

• 18.8 cm

Tags

CCSS.7.G.B.4

A circle's diameter is 13 cm.  What is the approximate circumference?  

• 6.5 cm

• 13 cm

• 40.8 cm 

• 20.4 cm 

Tags

CCSS.7.G.B.4

A tire has a radius of 14 inches. How far will it travel in one rotation? (to the nearest whole number)

• 88 in

• 44 in

• 116 in

• 615 in

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

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

To know how much icing to spread on the top of a round cookie you will need to know

• Circumference

• Diameter

• Radius

• Area

Tags

CCSS.7.G.B.4

Calculate the area. Use 3.14 for pi. Round to the nearest tenth if needed.

• 1582.8 cm ²

• 1476.4 cm ²

• 586.2 cm ²

• 602.5 cm ²