Download Lesson 4-3 Congruent Triangles Ohio Content

Lesson 4-3
Congruent
Triangles
Ohio Content
Standards:
Ohio Content
Standards:
Describe and apply the properties of
similar and congruent figures; and
justify conjectures involving similarity
and congruence.
Ohio Content
Standards:
Make and test conjectures about
characteristics and properties (e.g.,
sides, angles, symmetry) of twodimensional figures and threedimensional objects.
Ohio Content
Standards:
Use coordinate geometry to represent
and examine the properties of
geometric figures.
Ohio Content
Standards:
Make and test conjectures about
characteristics and properties (e.g.,
sides, angles, symmetry) of twodimensional figures and threedimensional objects.
Ohio Content
Standards:
Represent and analyze shapes
using coordinate geometry; e.g.,
given three vertices and the type of
quadrilateral, find the coordinates
of the fourth vertex.
Ohio Content
Standards:
Represent and model transformations in a
coordinate plane and describe the results.
Congruent
Triangles
Congruent
Triangles
Two triangles whose
corresponding parts are
congruent.
A tower roof is composed of
congruent triangles all converging
toward a point at the top.
I
H
J
K
L
A tower roof is composed of
congruent triangles all converging
toward a point at the top.
I
H
J
K
L
Name the corresponding congruent angles
and sides of HIJ and LIK.
A tower roof is composed of
congruent triangles all converging
toward a point at the top.
I
H
J
K
L
Name the congruent triangles.
Name the congruent angles
and sides for the pair of
congruent triangles.
Name the congruent angles
and sides for the pair of
congruent triangles.
TUV 
XYZ
Congruence
Transformations
Congruence
Transformations
The results of reflecting,
rotating, and translating
figures.
RST 
Verify tha t
S
T
R
R’
T’
S’
R' S ' T '.
RST 
Verify tha t
R' S ' T '.
S
T
R
R’
T’
S’
Name the congruence transformation
for RST and
R’S’T’.
Assignment:
Pgs. 195-198
10-24 evens,
40-50 evens