Circumference of Circles

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

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.7.G.B.4

12 inches in this circle represents its

• radius

• diameter

Tags

CCSS.4.G.A.1

CCSS.4.MD.A.1

CCSS.4.MD.A.2

Find the circumference of the circle

• 18.84 cm

• 75.36 cm

• 37.68 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.HSG.GMD.A.1

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the perimeter of her welcome mat in square feet?

• 23.91 in.

• 20.57 in.

• 19.4 in.

• 30.82 in.

Tags

CCSS.HSG.C.B.5

What is the approximate circumference? (use 3.14 for pi)

(a)  

Tags

CCSS.7.G.B.4

What is the approximate circumference? (use 3.14 for pi)

(a)  

Tags

CCSS.7.G.B.4