7.9B Circumference of Circles Practice

FIRST NAME

LAST NAME

Q1. The diameter is the radius x 2.

• True
• False

Q2. A group of students stood in a circle to play a game. The circle had a diameter of 22 meters. Which measurement is closest to the circumference of the circle in meters?

• 34.54 m
• 1,519.76 m
• 379.94 m
• 69.08 m

Q3. A circle has a diameter of 7.6 feet. Which measurement is closest to the circumference of the circle in feet?

• 23.9 ft.
• 45.3 ft.
• 47.7 ft.
• 11.9 ft.

Q4. Jane needs to make a fence for a circular garden with a diameter of 6 feet. What measurement is closest to the length of the fence?

• 18.84 ft.
• 37.68 ft.
• 9.42 ft.
• 113.04 ft.

Q5. Anna wants to glue a row of beaded trim around the base of a cylindrical lamp shade. The diameter of the base is 14 inches. How many inches of beaded trim does Anna need?

• 153.86 inches
• 21.98 inches
• 87.92 inches
• 43.96 inches

Q6. Which best represents the circumference of a circle with a radius of 12 inches?

• 37.69 inches
• 75.36 inches
• 18.84 inches
• 56.52 inches

Q7. The most popular size pizza at Pizza Parlor is a large pizza with a 14-inch radius. What does the edge of the pizza measure in inches?

• 175.84 inches
• 18.84 inches
• 87.92 inches
• 615.44 inches