Triangle Inequalities Answers

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In the diagram, MQ = QP = PO = ON.

Question illustration
A
Segment OP is longer than segment MQ.
B
Segment MN has the same length as segment MP.
C
The measure of angle Q equals the measure of angle O.
D
Angle O is larger than angle Q.
2
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Consider the triangle.

Question illustration
A
angle A, angle B, angle C
B
angle B, angle A, angle C
C
angle B, angle C, angle A
D
angle C, angle A, angle B
3

In the triangles, QR = DE and SR = FE.

Question illustration
A
QS = DF
B
DF < QS
C
QS < DE
D
SR = DE
4

Gene starts from home and travels 3 miles north to the shopping mall. From the shopping mall, he travels 2 miles west to the library. Then, from the library, he travels about 3.6 miles to return home. The entire trip forms a triangle.

Question illustration
A
at his home
B
at the mall
C
between the mall and the library
D
between his home and the library
5

Choose the word that correctly completes the statement.

Question illustration
A
adjacent
B
included
C
longest
D
shortest
6

Consider the triangles shown.

Question illustration
A
VU < US < SR by the hinge theorem.
B
VU = US = SR by the hinge theorem.
C
mUTV = mUST = mSTR by the converse of the hinge theorem.
Option C
D
mUTV > mUTS > mSTR by the converse of the hinge theorem.
Option D
7

In the triangles, XY = MP and YZ = PN.

Question illustration
A
mY = 80°
Option A
B
mY = 85°
Option B
C
mY = 100°
Option C
D
mY = 180°
Option D
8

Consider the two triangles.

Question illustration
A
By the converse of the hinge theorem, mC = mS.
Option A
B
By the hinge theorem,TS > AC.
C
By the converse of the hinge theorem, mS > mC.
Option C
D
By the hinge theorem, BA = RT.
9

The side lengths of triangle ABC are written in terms of the variable p, where p ≥ 3.

Question illustration
A
mA > mC > mB
Option A
B
mB > mA > mC
Option B
C
mC > mA > mB
Option C
D
mC > mB > mA
Option D
10

In the triangles, and .

Question illustration
A
and are the same length.
Option A
B
is longer than .
Option B
C
is shorter than .
Option C
D
is shorter than or the same length as .
Option D

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