Find Radius or Diameter

Find the diameter of a circle with a circumference of 25.12 inches.

• 8 inches

• 11 inches 

• 4 inches 

• 13 inches

Tags

CCSS.7.G.B.4

The circumference is 62.8 inches.  What is the radius?

• 20 inches

• 10 inches

• 6.28 inches

• 31.4 inches

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 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

Which of the following is a radius of the circle?

• DA

• GE

• HI

• FG

The diameter of a circle is:

• The measurement around the circle.

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

• The distance from the center of the circle to an edge of a circle

• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.HSG.C.A.2

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Tags

CCSS.7.G.B.4