1. lesson 18.notebook September 21, 2012
Lesson 18
*Geometry Information:
segment B line
A
ray B
B
A A
C
parallel lines perpendicular lines
B B
A A
D D
C
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2. lesson 18.notebook September 21, 2012
FYI...
acute angle­­> degrees in a circle­­>
obtuse angle­­> semi­circle­­>
right angle­­> quarter­circle­­>
straight angle­­>
linear pair­­>
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3. lesson 18.notebook September 21, 2012
protractor
(Used to
measure
and/or draw
angles!!)
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4. lesson 18.notebook September 21, 2012
Examples ­ Lesson 18
pg. 117
A) line
B) ray
C) segment
D) parallel
E) perpendicular
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5. lesson 18.notebook September 21, 2012
F) acute angle
G) obtuse angle
H) right angle
I) straight angle
J) 135 degrees
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