Triangle Congruence from Rigid Motions
Geometry · Flashcards · Application
GEOMETRY · FLASHCARDS
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QUESTION
Identify the correct conclusion: If a rigid motion maps
△
A
B
C
\triangle ABC
△
A
B
C
onto
△
D
E
F
\triangle DEF
△
D
E
F
, then
m
∠
A
m\angle A
m
∠
A
and
m
∠
D
m\angle D
m
∠
D
are what?
QUESTION
Find the correct correspondence: If
△
J
K
L
≅
△
L
M
N
\triangle JKL \cong \triangle LMN
△
J
K
L
≅
△
L
M
N
, which angle corresponds to
∠
K
\angle K
∠
K
?
QUESTION
Which congruence is guaranteed if
△
A
B
C
≅
△
D
E
F
\triangle ABC \cong \triangle DEF
△
A
B
C
≅
△
D
E
F
? Choose
A
B
AB
A
B
or
A
C
AC
A
C
for matching
D
F
DF
D
F
.
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ANSWER
A
C
≅
D
F
AC \cong DF
A
C
≅
D
F
. First and third letters:
A
↔
D
A \leftrightarrow D
A
↔
D
,
C
↔
F
C \leftrightarrow F
C
↔
F
.
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