Lines, Angles, & Triangles
PSAT Math · Flashcards
PSAT MATH · FLASHCARDS
Card 1
of 202
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
Find
x
x
x
if a triangle has angles
2
x
2x
2
x
,
3
x
3x
3
x
, and
70
∘
70^\circ
7
0
∘
.
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
?
Tap to flip before you grade
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.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card