Lessons 8-1 through 8-5 Practice

The distance halfway across the circle is called the...

• radius
• diameter
• circumference
• area

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

• radius

• diameter

• area

• circumference

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

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

A circle has a diameter of 36 ft. What is the radius?

• 18

• 72

• 14

Tags

CCSS.7.G.B.4

What is the diameter of a circle if the radius is 8 cm?

• 8 cm

• 16 cm

• 4 cm

Tags

CCSS.7.G.B.4

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

A circular swimming pool is 21 feet in diameter.

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

Tags

CCSS.7.G.B.4

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

Tags

CCSS.7.G.B.4

What is the diameter of a circle with a radius of 3 feet?

• 9.42 feet
• 18.84 feet
• 6 feet
• 12 feet

Tags

CCSS.7.G.B.4