Geom1.7.notebook
January 10, 2014
Constructions
Geometry
Ch.1 Notes Page 4
In a construction you use a straightedge and a compass to draw a geometric figure.
P4 1­7 Basic Constructions
A straightedge is a ruler with no marking on it.
A compass is a geometric tool used to draw circles and parts of circles called arcs.
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Constructing Congruent Segments
c
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Constructing Congruent Angles (1)
x
R
y
S
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Geom1.7.notebook
January 10, 2014
Constructing Congruent Angles (2)
B
C
T
s
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R
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Perpendicular Lines: Two lines that intersect to form Right angles.
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1
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Constructing Perpendicular Bisectors
M
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Geom1.7.notebook
January 10, 2014
Construct Perpendicular Bisector and Cut in 1/2 using the Angle Bisector (Next...)
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Change in
Notes WS
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Constructing Angle Bisectors
B
X
C
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Geom1.7.notebook
January 10, 2014
HW #4
1­7 P47 #1,2,5,7(In Class),9­12
Please put your name and class period at the top of
the homework. Also include the homework number.
Terms:
construction, straightedge, compass, perpendicular lines, perpendicular bisector,
angle bisector
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4