Circumference Radius Only

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

A circle has a circumference of 28.26 inches. What is the radius of the cirlce?

• 4.5 in

• 9 in

• 88.74 in

• 0.111111... in

Tags

CCSS.7.G.B.4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 18.8 cm

• 113 cm

• 37.7 cm

• 452.2 cm

Tags

CCSS.7.G.B.4

Daniel bought a cookie at lunch. The radius of a cookie is 5 inches. What is the cookie’s circumference?

• ≈10 in

• ≈2.5 in

• ≈15.7 in

• ≈31.4 in 

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π 

• 10 π 

• 25 π 

• 50 π 

Tags

CCSS.7.G.B.4

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft

• 246 ft

• 365 ft

• 393 ft

Tags

CCSS.7.G.B.4

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 formula for circumference of a circle given the radius?

• C = πr

• C = 2πr

• C = πd

• C = πr²

Tags

CCSS.7.G.B.4

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle