Circle Vocab

Question 1

Segment from the center of a circle to a point on the circle.

Answer 1

Radius

Question 1

Set of points that are all the same distance from the center point. (continuous)

Answer 1

Circle

Question 2

Circles that share the same center (different radii)

Answer 2

Concentric Circles

Question 3

Angle within a circle whose chords intersect whose vertex is on the circle

Answer 3

Inscribed angle

Question 4

A chord (segment) passing through the center of the circle.

Answer 4

Diameter

Question 5

An angle whose vertex is at the center of the circle.

Answer 5

Central Angle

Question 6

Line segment whose end point lies/touches the circle

Answer 6

Chord

Question 7

A line that passes through two points of a circle

Answer 7

Secant line

Question 8

Arc with a measure greater than a semi-circle typically name w/ 3 vertices

Answer 8

Major Arc

Question 9

Arc with a measure less than a semi-circle typically name w/ 2 vertices

Answer 9

Minor Arc

Question 10

Half of a circle

Answer 10

Semi-circle

Question 11

A line that intersects in only one place

Answer 11

Tangent Line (has a: point of tangency)