Exploring Segment Postulates and Congruence

A segment goes on forever, a line does not.

A line can be measured, a segment cannot.

A segment has endpoints, a line does not.

A line has endpoints, a segment does not.

By taking the absolute value of the sum of the coordinates.

By multiplying the coordinates of the endpoints.

By adding the coordinates of the endpoints.

By taking the absolute value of the difference of the coordinates.

12

3

6

9

The length of a segment is the sum of the lengths of its parts.

The length of a segment is the difference of the lengths of its parts.

The length of a segment is the product of the lengths of its parts.

The length of a segment is the quotient of the lengths of its parts.

42

36

21

15

59

17

25

42

7y + 4

10y + 4

10y + 13

7y + 13

They have the same length.

They are on the same line.

They have the same endpoints.

They are parallel.

Using a congruent symbol (≅).

Using a plus sign.

Using an equal sign.

Using a multiplication sign.

By comparing their x-coordinates.

By comparing their y-coordinates.

By comparing their lengths.

By comparing their slopes.