Circles and conic sections

What is this an example of?

• radius

• diameter

• secant

• tangent

Tags

CCSS.HSG.C.A.2

Which one is a diameter?

Tags

CCSS.HSG.C.A.2

Radius or Diameter

• radius

• diameter

Tags

CCSS.HSG.C.A.2

What is diameter?

• line segment from one point on the circle that lies on another point of a circle

• Line segment from the center that lies on one point on the circle

• line segment that lies in the center of a circle which has two endpoints on the circle

• d=2r

Tags

CCSS.HSG.C.A.2

A segment that goes through the center of the circle and has endpoints on the circle

Example: Segment 𝐺𝐷

• Radius

• Secant

• Diameter

• Chord

Answer explanation

Tags

CCSS.HSG.C.A.2

What do we call the red line?

• Chord
• Tangent
• Arc
• Circumference

Tags

CCSS.HSG.C.A.2

Radius or Diameter?

• radius

• diameter

Tags

CCSS.HSG.C.A.2

What is the diameter?

(all the way across)

Tags

CCSS.HSG.C.A.2

What is labeled on the circle?

• Diameter

• Radius

Tags

CCSS.HSG.C.A.2

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere

• Diameter

• Chord

• Secant

• Tangent

Tags

CCSS.HSG.C.A.2