Lines, Angles, and Triangles
GRE · Flashcards · Application
GRE · FLASHCARDS
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QUESTION
Find
x
x
x
if two angles form a linear pair and have measures
3
x
∘
3x^\circ
3
x
∘
and
(
2
x
+
30
)
∘
(2x+30)^\circ
(
2
x
+
30
)
∘
.
QUESTION
Find
x
x
x
if vertical angles have measures
(
4
x
−
10
)
∘
(4x-10)^\circ
(
4
x
−
10
)
∘
and
(
2
x
+
30
)
∘
(2x+30)^\circ
(
2
x
+
30
)
∘
.
QUESTION
Find the missing side if a right triangle has legs
6
6
6
and
8
8
8
and hypotenuse
c
c
c
.
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ANSWER
c
=
10
c=10
c
=
10
. Apply the Pythagorean theorem:
c
=
6
2
+
8
2
=
100
c = \sqrt{6^2 + 8^2} = \sqrt{100}
c
=
6
2
+
8
2
=
100
.
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