Circle Review

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47
• 74
• 94
• 123

Rob is trying to open a can. He wants to find the arc length the can opener needs to travel to open the can half way. The radius of the can is 1.5 inches.

• 10 inches
• 2 feet
• 4.71 inches
• 3.53 inches

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90
• 60
• 55
• 113

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40
• 35
• 55
• 69

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

What is the radius of the circle below?

• 3 cm

• 1.5 cm

• 6cm

• I don't know

What is the radius of this circle?

• 18

• 10

• 9

• 8

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

What does A represent in the formula:

A = π·r²

• Area

• Radius

• Pi

• Diameter