Central Angles Chords and Arcs

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

• 5/3π

• 9π

• 8/3π

• 6π

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Tags

CCSS.HSG.C.B.5

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.

• 40π feet

• 35π feet

• 11π feet

• 22π feet

Tags

CCSS.HSG.C.B.5

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

Tags

CCSS.HSG.C.B.5

Determine the radius of a circle with a central angle of 30 degrees subtended by an arc with a length of 61

• 2.0

• 29.5

• 91.0

• 116.5

Tags

CCSS.HSG.C.B.5

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.2

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.2

Solve for the missing angle.

• 45^o

• 90^o

• 22.5^o

• 128^o

Tags

CCSS.HSG.C.A.2

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

Tags

CCSS.HSG.C.A.2