Ch. 10-10.3

Question 1

Radius

Answer 1

A segment whose end points are the center and any endpoint on the circle

Question 2

Chord

Answer 2

A segment whose end points are on a circle

Question 3

Diameter

Answer 3

A chord that contains a center

Question 4

Secant

Answer 4

A line that intersects a circle in two points

Question 5

Tangent

Answer 5

The line that intersects the circle in exactly one point

Question 6

Theorem 10.1

Answer 6

In a plane a line is tangent to a circle of and only if the line is perpendicular to a radius of a circle at its end point on the circle

Question 7

Theorem 10.2

Answer 7

Tangent segments from a common external point are congruent

Question 8

Central angle

Answer 8

An angle whose vertex is the center of the circle

Question 9

Minor arc

Answer 9

Two letters

Less than 180

Question 10

Major

Answer 10

Three letters

Greater than 180

Question 11

Theorem 10.3

Answer 11

In the same circle or congruent circles, two minor arcs are congruent if and only if their corresponding chords are congruent

Question 12

Theorem 10.4

Answer 12

If one chord if a perpendicular bisector of another chord then the first chord is a diameter

Question 13

Theorem 10.5

Answer 13

,

Question 14

Circle

Answer 14

The set of all points in a plain that are equidistant from a given point (center)