Circles and Arcs

The line segment between the center and a point on the circle

• Radius
• Diameter
• Chord
• Tangent

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

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

• supplementary
• complimentary
• central
• obtuse

What units are used for arc measures?

• linear units (inches, meters)
• degrees
• square units
• triangle units

Tags

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

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

Tags

CCSS.HSG.C.B.5

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°
• 100°
• 210°
• 105°

Tags

CCSS.HSG.C.A.2

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Tags

CCSS.HSG.C.A.2

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

The sum of the measures of the central angles in a circle is

• 0
• 90
• 180
• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Find the measure of angle x.

• 45^o

• 90^o

• 22.5^o

• 128^o

Tags

CCSS.HSG.C.A.2