Arcs and central angles

Which segment is a radius?

• LM
• DC
• BD
• ML

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

• Tangent

• Secant

• Radius

• Arc

Which best describes line AB?

• chord
• secant
• tangent
• diameter

Segments with endpoints on a circle are called _____.

• arcs
• radii
• chords
• polygons

What best describes segment AB?

• chord
• secant
• tangent
• diameter

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.

Tags

CCSS.HSG.C.A.2

Name a semicircle.

• AD
• ABC
• BA
• BCA

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

Name a major arc.

• ABD
• BDA
• BCD
• DA

What is the measure of arc AB?

• 140
• 142
• 180
• 153

Tags

CCSS.HSG.C.B.5