Lines, Angles, & Triangles
PSAT · Flashcards · Recall
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QUESTION
What is the definition of supplementary angles?
QUESTION
What is the sum of the interior angles of a triangle?
QUESTION
What does the Triangle Inequality Theorem state for side lengths
a
a
a
,
b
b
b
, and
c
c
c
?
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ANSWER
a
+
b
>
c
a+b>c
a
+
b
>
c
,
a
+
c
>
b
a+c>b
a
+
c
>
b
, and
b
+
c
>
a
b+c>a
b
+
c
>
a
. The sum of any two sides must exceed the third side's length.
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