Formal Geometric Constructions
Geometry · Flashcards · Application
GEOMETRY · FLASHCARDS
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QUESTION
In parallelogram
A
B
C
D
ABCD
A
B
C
D
, diagonals intersect at
E
E
E
. If
A
C
=
18
AC = 18
A
C
=
18
, what is
A
E
AE
A
E
?
QUESTION
In parallelogram
A
B
C
D
ABCD
A
B
C
D
, diagonals meet at
E
E
E
. If
A
E
=
2
x
+
1
AE = 2x + 1
A
E
=
2
x
+
1
and
C
E
=
11
CE = 11
C
E
=
11
, what is
x
x
x
?
QUESTION
In parallelogram
A
B
C
D
ABCD
A
B
C
D
, if
m
∠
B
=
38
∘
m\angle B = 38^\circ
m
∠
B
=
3
8
∘
, what is
m
∠
A
m\angle A
m
∠
A
?
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ANSWER
142
∘
142^\circ
14
2
∘
. Consecutive angles are supplementary:
38
°
+
142
°
=
180
°
38° + 142° = 180°
38°
+
142°
=
180°
.
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