Download Isosceles ∆ Thrm: (ITT): If 2 sides of a triangle are congruent, then

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Transcript
CONGRUENT TRIANGLES REVIEW
For 1-4, write a congruence statement for each triangle pair, then name the
congruence theorem that proves your statement.
1.
Z
G
2.
F
B
C
A
E
D
H
S
3.
4.
I
Y
X
L
N
R
K
O
T
J
K
M
J
L
5. Define the following types of triangles:
Right
Obtuse
Acute
Isosceles
Equilateral
Scalene
6. Given: An Equilateral Triangle
Side 1 = 4x + 5
Side 2 = 7x – 16 Side 3 = 3y + 3
Find the value of y, and the measures of the 3 angles
7. An exterior angle at A of ∆ABC measures 12x. If mLB = 7x – 2 and
mLC = 6x – 8, what is the value of x?
8. If you wanted to prove ABC = XYZ using the SAS postulate, name 3 parts
you would have to prove congruent.
9. If ABC = DEF, which sides and angles are congruent?