Unit 3 Circles Review

Which line segment represents a diameter of the circle?

• HF

• EC

• EA

• HD

Tags

CCSS.HSG.C.A.2

Which line segment represents a radius of the circle?

• HF

• HA

• DG

• EC

Tags

CCSS.HSG.C.A.2

Lin used her measuring tape to measure the diameter of the cap of her water bottle in two different directions. Measuring vertically, she got 3.5 cm, and measuring hortizontally, she got 3.6 cm. What is a possible reason these measurements differ?

• Human error when measuring may cause the measurements to be a bit off

• She measured the radius for one measurement

• The diameter is different for different directions in a circle

• She used the wrong formula

Tags

CCSS.4.MD.A.1

Diego measured the diameter and circumference of several circular objects and recorded his measurements in the table. One of his measurements is inaccurate. Which measurement is it?

• Half Dollar Coin

• Flying Disc

• Jar Lid

• Flower Pot

Tags

CCSS.7.G.B.4

A hula hoop has a diameter of 35 inches. What is the best approximation for it's circumference?

• 17.5 inches

• 70 inches

• 961.625 sq inches

• 109.9 inches

Tags

CCSS.7.G.B.4

A circular pond has a circumference of 556 feet. What is the approximate diameter of the pond?

• 177.07 feet

• 1,745.84 feet

• 88.54 feet

• 1,112 feet

Tags

CCSS.7.G.B.4

Here is a picture of a Ferris wheel. It has a diameter of 80 meters. How far does a rider travel in one complete rotation around the Ferris wheel?

• 5,024 meters

• 251.2 meters

• 160 meters

• 40 meters

Tags

CCSS.7.G.B.4

The fence around a circular pool is 75 ft long. What is the radius of the circle created by the pool fence?

• 37.5 ft

• 23.88 ft

• 235.5 ft

• 11.94 ft

Tags

CCSS.7.G.B.4

The distance from the tip of a slice of pizza to the crust is 7 inches. What is the circumference of the whole pizza?

• 14 inches

• 21.98 inches

• 43.96 inches

• 153.86 inches

Tags

CCSS.7.G.B.4

A half circle is joined to an equilateral triangle with side lengths of 12 units. What is the perimeter of the resulting shape?

• 113.04 units

• 42.84 units

• 61.68 units

• 36 units

Tags

CCSS.3.MD.D.8