Circles Practice Quiz

A bicycle wheel has spokes for support. Each spoke extends from the center of the wheel to the rim. Which method can be used to find the circumference of the bicycle wheel?

• Multiply the diameter by $\pi$ and by 2.

• Divide the diameter by $\pi$

• Multiply the radius by $\pi$

• Multiply the radius by $\pi$ and by 2.

Tags

CCSS.7.G.B.4

Which equation could be used to find the area in square inches of a circle with a diameter of 12 inches?

• A = $6\times\pi$

• A = $\pi\times6^2$

• A = $12\times\pi$
  

• A = $\pi\times12^2$
  

Tags

CCSS.7.G.B.4

A distance measuring wheel is used to measure long distances by rotating 360 degrees. Which of the following best describes the distance in one 360-degree rotation?

• The area of the wheel

• The radius of the wheel

• The diameter of the wheel

• The circumference of the wheel

Tags

CCSS.7.G.B.4

One lap around the outside of a circular track is 352 yards. If you jog from one side of the track to the other through the center, how far do you travel?

• 11 yd

• 56 yd

• 112 yd

• 176 yd

Tags

CCSS.7.G.B.4

If the diameter of a circle is 142 millimeters, then what is the radius?

• 71 mm

• 45.8 mm

• 42 mm

• 203.25 mm

Tags

CCSS.7.G.B.4

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

• 9.25 cm²
• 9.62 cm²
• 9.15 cm²
• 9.99 cm²

Tags

CCSS.7.G.B.4

A remodeling project calls for sanding a chair with a disk sander. The sanding disk used on the sander has a radius of 4.5 inches. Find the area of the disk. Use 3.14 for π

•  about 64.79 in2
•  about 55.19 in2
•  about 63.59 in2
•  about 53.79 in2

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.

• 15π

• 20π

• 40π

• 30π

Tags

CCSS.7.G.B.4

A circular pin has a diameter of 6.2 centimeters. What is the area of the circle?

• 38.44π square cm

• 9.61 square cm

• 6.2π square cm

• 9.61π square cm

Tags

CCSS.7.G.B.4

A circle has an area of 36π. What is the circumference of the circle?

• 18π

• 12π

• 6π

• 36π

Tags

CCSS.7.G.B.4