1. GEOM
You will need your
construction tools
today!
Do you remember how
to copy a segment and
an angle?

2. GEOM Drill 2.10 11/18/13
INCLUDED??????
CA
& AR

R
A
& C
IS
INCLUDED
BETWEEN ____
& ____
RC IS INCLUDED
BETWEEN ____
& _____
R
C

3. How do we know two
figures are congruent?
If
all corresponding
sides and angles are
congruent

4. Objective:
To determine ways to
prove triangles
congruent

5. POSTULATE - SSS POST.
If
three sides of one
triangle are congruent to
three sides of another
triangle then the triangles
are congruent.

6. POSTULATE - SAS POST.
If
two sides and the included
angle of one triangle are
congruent to two sides and
the included angle of
another triangle then the
triangles are congruent.

7. POSTULATE - ASA POST.
If
two angles and the
included side of one triangle
are congruent to two angles
and the included side of
another triangle then the
triangles are congruent.

8. To
determine if triangles
are congruent, what
would you have to
measure?
SSS
SAS
ASA