Circles Vocabulary

A given point directly in the middle of a circle.

• Radius

• Diameter

• Center

• Point

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

The distance from the center to the edge of the circle.

• Diameter

• Center

• Radius

• Tangent

Tags

CCSS.HSG.C.A.2

CCSS.HSG.GPE.A.1

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

• Secant

• Chord

• Tangent

• Line

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

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

• Point of Tangerine

• Point of Transparency

• Point of Tangency

• Point of Tangential

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Circles add to how many degrees?

• 180º

• 360º

• 520º

• 300º

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Line AB is a

• Diameter

• Secant Line

• Tangent Line

• Radius

Tags

CCSS.HSG.C.A.2

Select all that apply. BT is a

• Chord

• Diameter

• Line

• Radius

Tags

CCSS.HSG.C.A.2

BP is a

• Radius

• Diameter

• Chord

• Point of Tangency

Tags

CCSS.HSG.C.A.2

Line PQ and Line RQ are examples of

• Secant Lines

• Tangent Lines

• Outside Lines

• Tangerine Lines

Tags

CCSS.HSG.C.A.2

Drag and Drop: Match the correct parts of a circle.

c

d

e

f

b

a

secant

tangent

center

diameter

chord

radius