Circles: Anatomy, Arcs, and Central Angles

Which segment is a radius?

• LM
• DC
• BD
• ML

Tags

CCSS.HSG.C.A.2

A ____ is a line that intersects a circle at two points.

• Tangent

• Secant

• Radius

• Arc

Which best describes line AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

CCSS.HSG.C.A.4

Segments with endpoints on a circle are called _____.

• arcs
• radii
• chords
• polygons

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

What best describes segment AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

• tangent
• secant
• radius
• arc

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which best describes line AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.2

Which best describes segment AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.2

Which is NOT true of a diameter?

• It forms half a circle.

• It passes through the center of the circl.

• It has one endpoint on the circle.

• It measures exactly 180 degrees.

Name a semicircle.

• AD
• ABC
• BA
• BCA

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1