Arc Length and Sector Area Check In

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

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

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

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

If the length of the 45° region of this circle is 10 inches, what is the radius of the circle?

• 12.7in

• 31.6in

• 6.8in

• 2.5in

What is the area of the shaded region?

• 50.27 units²
• 3015.93 units²
• 8.38 units²
• 4.19 units²

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector.

• 9.23 in²
• 10.51 in²
• 31.42 in²
• 38.27 in²

Tags

CCSS.HSG.C.B.5

In a​ circle, a 90° sector has area 64π in². What is the diameter of the​ circle?

• 18 in

• 32 in

• 64 in

• 128 in

FIND THE SECTOR AREA OUTLINED IN BOLD

• A
• B
• C
• D

What is the area of the shaded sector? (use 3.14 for pi)

• 339.12 in²

• 113.04 in²

• 678.58 in²

• None of the above