Intro to Circles and Circumference

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

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

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

• Radius

• Diameter

Tags

CCSS.HSG.C.A.2

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

• 42.15 cm

• 43.96 cm

• 44.28 cm

• 44.37 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle. Round to the nearest tenth.

• 113.0 in.

• 1017.4 in.

• 254.3 in.

• 56.5 in.

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 113.04 in

• 1017.36 in

• 254.34 in

• 56.52 in

Tags

CCSS.7.G.B.4

Find the circumference. Round to the nearest tenth.

• 18.8 cm.

• 75.4 cm.

• 37.7 cm.

• not enough information

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 13.5 mm.

• 84 mm

• 84.68 mm

• 84.78 mm

• 85

Tags

CCSS.7.G.B.4

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

• 339.12 m

• 340.56 m

• 342.78 m

• 345.39

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

• 20.42 m

• 37.68 m

• 18.84 m

Tags

CCSS.7.G.B.4