Parallel Lines & Transversals
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
A transversal cuts two lines and forms congruent alternate interior angles. What can you conclude about the two lines?
QUESTION
When two parallel lines are cut by a transversal, how are same-side interior angles related?
QUESTION
Alternate exterior angles formed by parallel lines and a transversal measure
(
3
b
+
20
)
∘
(3b + 20)^\circ
(
3
b
+
20
)
∘
and
(
b
+
60
)
∘
(b + 60)^\circ
(
b
+
60
)
∘
. What is
b
b
b
?
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ANSWER
b
=
20
b = 20
b
=
20
. They are equal, so
3
b
+
20
=
b
+
60
3b + 20 = b + 60
3
b
+
20
=
b
+
60
gives
2
b
=
40
2b = 40
2
b
=
40
.
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