Circles, Sector Area, Tangents, Chords, Secants

An angle whose vertex is at the center of the circle.

• Central Angle

• Inscribed Angle

• Radius

• Sector

How many chords does the circle contain?

• 0

• 1

• 2

• 3

Identify all radii.

• DB, FC, BF

• FC, DF, FB

• EA, DB, FB

• CF, DF, EA

Tags

CCSS.HSG.C.A.2

A __________ is the longest chord in a circle and goes through the center of a circle.

• Diameter

• Arc

• Chord

• Radius

Tags

CCSS.HSG.C.A.2

A __________ is a segment that connects the center of a circle to a point on the circle.

• Chord

• Radius

• Diameter

• Arc

Tags

CCSS.HSG.C.A.2

A __________ is the set of all points equidistant from a common point.

• Circle

• Diameter

• Radius

• Chord

Select all that apply. BT is a

• Chord

• Diameter

• Line

• Radius

The place where the tangent line touches the circle is called the

• Point of Tangerine

• Point of Transparency

• Point of Tangency

• Point of Tangential

A line that touches (intersects) the circle only once from the outside.

• Secant

• Chord

• Tangent

• Line

Line PQ and Line RQ are examples of

• Secant Lines

• Tangent Lines

• Outside Lines

• Tangerine Lines