Defenitions Chapter 3

Question 0

Coordinate

Answer 0

Of a point on al line is the number that corresponds to the point.

Question 1

Equivalence

Answer 1

A relation that is reflexive, symmetric, and transitive

Question 2

Ruler postulate

Answer 2

Every point of a line can be placed in correspondence with a real number.

Question 3

Completeness postulate

Answer 3

Given a ray, AB, and any positive real number “r”, the rid exactly one point C on the Ray so that AC=r

Question 4

Distance formula

Answer 4

d= /—————————
_/ (|x, - x.|)^2 + (|y, -y.|)^2 d^2 square root = d

,=1 .=2

Question 5

Midpoint theorem

Answer 5

If “m” is the midpoint of AB line, the AM= 1/2 AB. Divides into two equal parts

Question 6

Midpoint

Answer 6

A-M-B
^
The midpoint

Question 7

Bisector of a segment

Answer 7

A curve that intersects only a midpoint

Question 8

Congruent segments

Answer 8

Segments that have the same length. The symbol. ~ Is used
=
For congruent segments

Question 9

Perimeter

Answer 9

The distance around a closed curve

Question 10

Theorem 3.2

Answer 10

The perimeter of a regular n-gon with sides of length s in n x s

Question 11

Circumference

Answer 11

The distance around a circle

Question 12

Midpoint theorem

Answer 12

A+B/2

Question 13

Tangent line

Answer 13

Is a line that intersects the circle in exactly one point

Question 14

Inscribed

Answer 14

A polygon whose vertices are points of a circle

Question 15

Inscribed angle

Answer 15

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

Question 16

Polygon circumscribed about a circle

Answer 16

A polygon whose sides each intersect the circle at exactly one point