1
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Which statement is true about ?
A
It is adjacent to .
B
It is complementary to .
C
It is congruent to .
D
It is linear to .
2
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What is the value of
A
34°B
56°C
90°D
180°3
If is a right angle, which is the measure of ?
A
15°B
25°C
90°D
115°4
Which type of angle is ?
A
is a straight angle.
B
is a vertical angle.
C
is a right angle.
D
is a complementary angle.
5
Line l is a straight line. Which statements are true about the angles in the figure? Select two options.
A
angles.
B
.
C
.
D
.
E
angles.
6
Line x and line z are straight lines. Which pair of angles are vertical?
A
and
B
and
C
and
D
and
7
What is the measure of ?
A
42°B
48°C
90°D
180°8
Line l and line m are straight lines. What is the measure of angle y?
A
43°B
47°C
137°D
147°9
Which statements can be used to justify the fact that two right angles are supplementary? Select two options.
A
A right angle measures 90°.B
If two angles are complementary, the sum of the angles is 90°.C
If two angles are supplementary, the sum of the angles is 180°.D
A complementary angle is one-half the measure of a supplementary angle.E
A supplementary angle is twice the measure of a complementary angle.10
Line ABC is a straight line. Which describes the relationship between and ?
A
and are complementary angles.
B
and are supplementary angles.
C
and are vertical angles.
D
and are acute angles.
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