Exploring Circles Vocabulary: Secant, Tangent, Chord, Diameter

Which of the following is NOT one of the four vocabulary words discussed in the video?

• Tangent

• Secant

• Radius

• Diameter

What is a diameter?

• A line that touches the circle at one point

• A line segment with endpoints on the circle but not passing through the center

• A line that intersects the circle at two points

• A chord that passes through the center of the circle

Tags

CCSS.HSG.C.A.2

How do you label a diameter?

• With a dashed line and two arrows

• With a straight line and two arrows

• With a straight line and two endpoints

• With a curved line and two endpoints

What is a chord?

• A chord that passes through the center of the circle

• A line that intersects the circle at two points

• A line segment with endpoints on the circle but not passing through the center

• A line that touches the circle at one point

How is a chord different from a diameter?

• A chord passes through the center of the circle

• A chord does not pass through the center of the circle

• A chord touches the circle at one point

• A chord is a line that intersects the circle at two points

What is a secant?

• A chord that passes through the center of the circle

• A line that intersects the circle at two points

• A line segment with endpoints on the circle but not passing through the center

• A line that touches the circle at one point

How do you label a secant?

• With a straight line and two arrows

• With a straight line and two endpoints

• With a curved line and two endpoints

• With a dashed line and two arrows

Tags

CCSS.HSG.CO.A.1

What is the external part of a secant?

• The part of the secant that touches the circle at one point

• The part of the secant outside the circle

• The part of the secant inside the circle

• The part of the secant that passes through the center of the circle

What is a tangent?

• A line that touches the circle at one point

• A chord that passes through the center of the circle

• A line segment with endpoints on the circle but not passing through the center

• A line that intersects the circle at two points

How do you label a tangent?

• With a straight line and two arrows

• With a straight line and two endpoints

• With a curved line and two endpoints

• With a dashed line and two arrows

Tags

CCSS.HSG.CO.A.1