Parts of Circles and Tangents to Circles

Name the tangent line.

• line s

• WR

• VT

• QR

What is the difference between a secant and a tangent

• A tangent is a line and a secant is a line segment

• A tangent passes through a circle once and a secant passes through the circle twice.

• A secant and a tangent are both chords but a tangent goes through the center of the circle

• A secant passes through the circle once and a tangent passes through the circle twice.

A segment whose endpoints lie on a circle is a _______.

• tangent

• chord

• diameter

• secant

Tags

CCSS.HSG.C.A.2

Which number best represents a tangent?

• 3

• 4

• 5

• 6

What is in the picture?

• Two tangents

• Two Secants

• Two Chords

• One Secant and One Tangent

Tags

CCSS.HSG.C.A.2

If a line segment in drawn from the center of a circle onto a chord, what happens with the chord?

• The chord disappears.

• The chord is bisected.

• The angles are 90 degrees.

• The line from the center is perpendicular to the chord.

Determine if a tangent line is shown in the picture.

Tentukan adakah terdapat garis tangen dalam rajah di atas.

• Yes

• No

Which answer below is a chord in the circle?

Which line is a secant?

Using the circle with center O, identify a secant.

• MN

• EC

• OC

• DF