Diameter and Radius of Circles

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

True or False: The radius goes half way across the circle

• False

• True

To find the circumference of a circle, you must multiply the ________________ by 3.14.

• circumference

• area

• radius

• diameter

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 9?

• 254.34

• 28.26

• 9.42

• 18.84

Tags

CCSS.7.G.B.4

How many feet around is the table?

• 4554

• 45.54

• 6908

• 69.08 ft

Tags

CCSS.2.MD.A.2

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

Tags

CCSS.7.G.B.4

What is the diameter?

• 8

• 16

• 10

• 4

Tags

CCSS.7.G.B.4

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

If the radius of a circle is 4 inches, what is the diameter?

• 2 inches

• 2 feet

• 4 inches

• 8 inches

Tags

CCSS.7.G.B.4