Diameter, Radius, Chord, Circles

What is O?

• diameter

• radius

• center

• chord

What is line AB?

• diameter

• chord

• secant

• tangent

What is line PT?

• chord

• secant

• point of tangency

• tangent

What is P?

• chord

• secant

• point of tangency

• tangent

What is the mathematical name given for the line AB?

• Diameter

• Radius

• Tangent

• Chord

What is the measure of a semicircle?

• 60

• 180

• 70

• 90

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Define "tangent line"

• A line which intersects a circle at exactly one point

• A line that intersects a circle at two or more points

• A line that does not intersect a circle

• A line made up of the opposite and adjacent sides of the circle

What is a chord that passes through the center of the circle?

• Arc

• Chord

• Diameter

• Radius

In  a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

• equals

• bisects

• arcs

• circles

• 278⁰
• 297⁰
• 90⁰
• 105⁰

Tags

CCSS.HSG.C.A.2