Circumference Radius Diameter

What is the radius?

• 18

• 72

• 38

• 14

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

The homeowners association wants to enclose the playground in a fence. So they need to figure out how much fencing will they need to purchase. Is this question finding the area or the circumference of a circle?

• area

• circumference

• neither

Tags

CCSS.7.G.B.4

Which of the following is a radius of the circle?

• DA

• GE

• HI

• FG

If you divide the circumference of a circle by its diameter, what answer will you always get?

• The radius

• The area

• Pi

• cake

Tags

CCSS.7.G.B.4

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

• circumference

• area

• radius

• diameter

Tags

CCSS.7.G.B.4

To go from radius to diameter I need to do what?

• divide by 2

• multiply by 2

• multiply by 3.14

• divide by 3.14

Tags

CCSS.7.G.B.4

To go from diameter to radius, what do I need to do?

• divide by 3.14

• multiply by 3.14

• multiply by 2

• divide by 2

Tags

CCSS.7.G.B.4

• center
• diameter
• radius

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

• 339.12 m

• 169.56 m

• 84.78 m 

Tags

CCSS.7.G.B.4