Establish Angle Facts Using Arguments
Middle School Math · Flashcards · Application
MIDDLE SCHOOL MATH · FLASHCARDS
Card 1
of 29
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
Find the third angle of a triangle if two angles are
x
∘
x^\circ
x
∘
and
x
∘
x^\circ
x
∘
and the third is
40
∘
40^\circ
4
0
∘
; find
x
x
x
.
QUESTION
If
△
A
B
C
∼
△
D
E
F
\triangle ABC\sim\triangle DEF
△
A
B
C
∼
△
D
E
F
and
m
∠
A
=
42
∘
m\angle A=42^\circ
m
∠
A
=
4
2
∘
, what is
m
∠
D
m\angle D
m
∠
D
?
QUESTION
If
ℓ
1
∥
ℓ
2
\ell_1\parallel \ell_2
ℓ
1
∥
ℓ
2
and a same-side interior angle is
47
∘
47^\circ
4
7
∘
, what is the other same-side interior angle?
Tap to flip before you grade
ANSWER
133
∘
133^\circ
13
3
∘
. Same-side interior angles are supplementary:
180
∘
−
47
∘
=
133
∘
180^\circ - 47^\circ = 133^\circ
18
0
∘
−
4
7
∘
=
13
3
∘
.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card