Exploring Vocabulary in Geometry

This video tutorial covers vocabulary related to circles, including components like radius and diameter, lines such as secant, tangent, and chord, and concepts of minor and major arcs. It provides examples and practice exercises to help students identify these elements in diagrams, with explanations in both English and Spanish.

What is the total number of degrees in a circle?

• 90

• 180

• 360

• 270

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the term for the distance from the center of a circle to its edge?

• Secant

• Chord

• Radius

• Diameter

Which line touches a circle at exactly one point?

• Tangent

• Secant

• Chord

• Radius

What is the term for a line segment that lies inside a circle but does not pass through the center?

• Tangent

• Chord

• Diameter

• Radius

How many degrees are in a semi-circle?

• 360

• 90

• 180

• 270

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Which of the following is true about a secant line?

• It does not touch the circle

• It is only outside the circle

• It is both inside and outside the circle

• It is only inside the circle

What is a minor arc?

• A semi-circle

• An arc less than 180 degrees

• A chord

• An arc greater than 180 degrees

How many letters are used to denote a major arc?

• Two

• One

• Three

• Four

Which of the following is an example of a central angle?

• Angle LPM

• Angle KLM

• Angle JLN

• Angle KLN

What is the term for an angle that touches the outside of the circle?

• Central angle

• Major arc

• Inscribed angle

• Minor arc