Lines, Angles, and Triangles
GRE · Flashcards · Recall
GRE · FLASHCARDS
Card 1
of 20
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What is the relationship between complementary angles?
QUESTION
What is the sum of the interior angles of an
n
n
n
-gon in degrees?
QUESTION
What are the side-length ratios of a
30
∘
30^\circ
3
0
∘
-
60
∘
60^\circ
6
0
∘
-
90
∘
90^\circ
9
0
∘
triangle?
Tap to flip before you grade
ANSWER
1
:
3
:
2
1:\sqrt{3}:2
1
:
3
:
2
. In a
30
∘
30^\circ
3
0
∘
-
60
∘
60^\circ
6
0
∘
-
90
∘
90^\circ
9
0
∘
triangle, sides are in the ratio shortest to middle to hypotenuse as
1
:
3
:
2
1 : \sqrt{3} : 2
1
:
3
:
2
.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card