Circumference & Circles

Find the circumference with a diameter of 18.4 km. Use 3.14 for pi.

• 23.7 km

• 57.8 km

• 19.3 km

• 59.1 km

Tags

CCSS.7.G.B.4

Find the circumference with a radius of 5.8 cm. Use 3.14 for pi.

• 37 cm

• 38.3 cm

• 36.4 cm

• 42.7 cm

Tags

CCSS.7.G.B.4

Find the circumference with a diameter of 6.8 m. Use 3.14 for pi.

• 22.7 m

• 31.5 m

• 21.4 m

• 25.8 m

Tags

CCSS.7.G.B.4

Find the circumference with a radius of 9 mi. Use 3.14 for pi.

• 59.1 mi

• 113 mi

• 26.6 mi

• 56.5 mi

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 is the Circumference of a Circle with a radius of 8 in terms of Pi.

Tags

CCSS.7.G.B.4

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.7.G.B.4

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

Tags

CCSS.7.G.B.4

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center