1.5
Classifying
Polygons
Definitions
Classifying Polygons
Sides
Name
Classifying Polygons
Sides
Name
Parts of Congruent
Polygons
A
O
T
D
C
G
Congruent Polygons have the
_______________________. In addition,
corresponding parts of these
shapes are _________________________
__________________ .
Parts of Congruent
Polygons
A
O
T
D
C
G
Naming Polygons
1. Define diagonal of a polygon.
Diagonals of polygons
Not diagonals of polygons
E
A
B
R
N
p
L
0
E
Segments AR, PN, TE, and PT are
diagonals.
Segments FL, FO, CU, and DE are not
diagonals.
2.
Define equilateral polygon.
Equilateral polygons
Not equilateral polygons
f
t
3. Define equiangular polygon.
Equiangular polygons
Not equiangular polygons
4. * Define r egular polygon.
Regular polygons
Not regular polygons
1. * Define right triangle.
Right triangles
Not right triangles
2.
Define acute triangle.
Acute triangles
Not acute triangles
3.
Define obtuse triangle.
Obtuse triangles
Not obtuse triangles
4.
Define scalene triangle.
Scalene triangles
15
Not scalene triangles
6
6
8
7
20
8
5.
Define isosceles triangle.
Isosceles triangles
Not isosceles triangles
12
6.
Define median of a triangle.
Not medians of triangles
y
Medians of triangles
M
0
A
R
L
T
M
A
0
5
R
Segments MR and AK are medians.
Segments PL and TO are not medians.
7. Define altitude of a triangle.
Altitudes of triangles
Not altitudes of triangles
N ...-
~ H~--~Gg__F
~ ~L
T
R
M
D
K
•
- L.__
A
_
_
__/_- ["" ....
B
C
~
I
J
Segments MN, EG, CD, and JK are
altitudes.
Segments MO, QS, and VY are not
altitudes.