Radius, Diameter

If my radius is 10ft, what is my diameter?

• 20ft

• 5ft

• 31.4ft

• 62.8ft

If the radius of a circle is 8 cm, the diameter is 16 cm.

• TRUE

• FALSE

A circle has a diameter of 36 ft. What is the radius?

• 18

• 72

• 14

What is the diameter of a circle if the radius is 8 cm?

• 8 cm

• 16 cm

• 4 cm

Pi is the ratio of a circle's ​ (a)   to its ​ (b)   .

• circumference

• diameter

• radius

• center

• height

• weight

• length

• grade point average

What is the length of the radius of the circle?

Tags

CCSS.MATH.CONTENT.7.G.B.4

What is the radius of this circle?

• 18

• 10

• 9

• 8

What is the radius?

• 18

• 72

• 38

• 14

What is the circumference?

• 48

• 96

• 24

• 18

• 48 cookies
• 24 cookies
• 8 cookies
• 4 cookies