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Warm up (draw each one)

Date post: 01-Jan-2016
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Warm up (draw each one). 1) Vertical line m intersects a horizontal plane M at point O . 2) Horizontal plane P contains two lines k and n that intersect at point A . 3) Vertical planes X and Y intersect at line AB . 4) Point P is not in plane N. 1.3 Segments, Rays, and - PowerPoint PPT Presentation
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Warm up (draw each one) 1) Vertical line m intersects a horizontal plane M at point O. 2) Horizontal plane P contains two lines k and n that intersect at point A. 3) Vertical planes X and Y intersect at line AB. 4) Point P is not in plane N.
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Page 1: Warm up (draw each one)

Warm up (draw each one)

1) Vertical line m intersects a horizontal plane M at point O.

2) Horizontal plane P contains two lines k and n that intersect at point A.

3) Vertical planes X and Y intersect at line AB.

4) Point P is not in plane N.

Page 2: Warm up (draw each one)
Page 3: Warm up (draw each one)

Segments A line with two endpoints. It consists of the two endpoints and

those points in between.

A

B

AB

ABLABEL

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Rays A ray has one endpoint and extends out

endlessly in one direction. The endpoint (A) is always named first.

A

B

AB��������������LABEL

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Number Line COORDINATE – number associated with a

letter Coordinate of M? Coordinate of J?

J A M

7

-4

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Distance The distance of a segment = length LABEL JA = ? AM = ?

J A M

6 5

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Segment Addition Postulate

If B is between A and C, then AB + BC = AC

A

B

C

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MIDPOINTMidpoint of a Segment: is the point that divides the segment into

two congruent segments.

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BISECTOR

Bisector of a segment:

is a line, segment, ray, or plane that intersects the segment at its midpoint.

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R

Y

C

A

Z

Find x if RA = 2x + 4, AY = 3x + 1,

and RY = 30.

2x + 43x + 1

30

2x + 4 + 3x + 1 = 305x + 5 = 30 - 5 - 55x = 25 /5 /5 x = 5

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PRACTICE

Page 14

Classroom Exercises

#1 – 20


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