Chapter 3

Question 0

Reflexive

Answer 0

a=a (3.1)

Question 1

Equivalence relation

Answer 1

A relation that is reflexive,symmetric, and transitive (3.1)

Question 2

Symmetric

Answer 2

If a=b, then b=a (3.1)

Question 3

Transitive

Answer 3

If a=b and b=c, then a=c (3.1)

Question 4

Coordinate

Answer 4

Point on a line that is the corresponds to the point (3.2)

Question 5

Distance

Answer 5

Two points A and B is the absolute value of the difference of their coordinates. Distance between points A and B is denoted by AB, given by AB = |a-b| (3.2)

Question 6

Bisector

Answer 6

(Of) a segment is a curve that intersects the segment only at the midpoint

(3.3)

Question 7

Congruent segments

Answer 7

Segments that have that have the same length. The symbol * is used for congruent segments (3.3)
*~
=

Question 8

Perimeter

Answer 8

The distance around a closed curve (3.4)

Question 9

Circumference

Answer 9

The distance around a circle (3.4)

Question 10

Inscribed polygon

Answer 10

A polygon whose vertices are part of the circle (3.5)

Question 11

Inscribed angle

Answer 11

An angle whose vertex is on a circle and whose sides each contain another point of the circle (3.5)

Question 12

Tangent line(or tangent)

Answer 12

A line in the plane of a circle that intersects the circle in exactly one point (3.5)

Question 13

Point of tangency

Answer 13

The point at which a tangent line and a circle intersect (3.5)

Question 14

Tangent segment

Answer 14

A segment of a tangent line that contains the point of tangency (3.5)