C33 SSS Congruence Conj' If the three sides of one triangle are congruent to the three sides of anot

1
C-33 (SSS Congruence Conj.)If the three sides
of one triangle are congruent to the three sides
of another triangle, then
the
triangles are congruent.
2
Are these triangles congruent?
13
12
13
5
12
5

• Yes(SSS Congruence Conj.)

3
Are these triangles congruent?
9
9
8
8
5
4

• NO

4
Are these triangles congruent?
3
5
5
4
4
3

• Yes(SSS Congruence Conj.)

5
C-34 (SAS Congruence Conj.)If two sides and the
angle between them in one triangle are congruent
to two sides and the angle between them in
another triangle, then
the triangles
are congruent.
6
Are these triangles congruent?
7
7
9
9

• Yes(SAS Congruence Conj.)

7
Are these triangles congruent?
13
13
97
89
87
95

• NO

8
Are these triangles congruent?
12
5
19
19
5
12

• Yes(SAS Congruence Conj.)

9
(SSA Congruence Conj.)SSA does not necessarily
prove triangle congruence.
We do not use SSA to prove triangle congruency!!!
10
Think about the shortcuts you learned today that
prove triangle congruence.

• SSS SAS

11
Which shortcut talked about today does not
necessarily prove triangle congruency?

• SSA