AnswersAZ-Common Core Geometry AComplementary and Supplementary Angles

Complementary and Supplementary Angles Answers

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1
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Angle B measures 60°. What is the measure of the angle that is complementary to angle B?

A
30°
B
60°
C
120°
D
180°
2
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Right angle FCD intersects and at point C. FCE is congruent to ECD. ECD is complementary to DCB.

Question illustration
A
They are congruent and complementary.
B
They are congruent and supplementary.
C
They are complementary but not necessarily congruent.
D
They are supplementary but not necessarily congruent.
3

Angles A and B are complementary.

Question illustration
A
34
B
56
C
68
D
79
4

Triangle ABC is a right triangle.

Question illustration
A
They are congruent.
B
They are complementary.
C
They are supplementary.
D
There is no relationship between them.
5

Angles 1 and 2 form a right angle.

Question illustration
A
linear
B
congruent
C
complementary
D
supplementary
6

Figure LMNO is a parallelogram.Angles L and M are supplementary. What is the sum of their measures? The sum of the measures of angles L and M is °.

Answer not available
7

The figure shows three lines that intersect at point N.

Question illustration
A
42°
B
48°
C
132°
D
138°
8

Two lines are intersected by a third line.

Question illustration
A
2 5
Option A
B
2 is complementary to 5.
Option B
C
m2 = m8
Option C
D
2 is supplementary to 8.
Option D
9

Points A, B, and C are on line AC.

Question illustration
A
40°
B
50°
C
60°
D
70°
10

Given:1 is complementary to 2. 2 is complementary to 3.Prove:m1 = m3

Question illustration
A
m1 = m2
Option A
B
m1 + m2 = 90°
Option B
C
m2 = m3
Option C
D
m2 + m3 = 180°
Option D
11

Which defines a line segment?

t
two rays with a common endpoint
a
a piece of a line with two endpoints
a
a piece of a line with one endpoint
a
all points equidistant from a given point
12

two

P
Points K, M, and N are collinear.
P
Points J, K, and Q are collinear.
P
Point R is the intersection of line KN and line MQ.
L
Lines JQ, KM, and MQ all intersect at point K.
T
There is only one line that can be drawn through points L and P.
13

Question text not available

Question illustration
3
30°
4
45°
5
50°
7
75°
14

Angle RSU is complementary to angle UST. Angle QSR is congruent to angle RSU.

Question illustration
T
They are complementary.
T
They are supplementary.
T
They are congruent.
T
They are obtuse.
15

Question text not available

Answer:

90

16

Angles 1 and 2 are supplementary.

Question illustration
m
m1 + m2 = 90°
Option m
m
m1 + m2 = 100°
Option m
m
m1 + m2 = 180°
Option m
m
m1 + m2 = 200°
Option m
17

Angles X and Y are supplementary. Angle X is 3 times the measure of angle Y. What is the measure of angle X?

4
45°
6
60°
1
120°
1
135°
18

Question text not available

Question illustration
P
Point K is a midpoint of .
Option P
m
mJKN = mJKM
Option m
R
Ray KM is an angle bisector of NKL.
Option R
J
JK = KL
Option J
19

best

A
A plane has zero dimensions because it represents a location on the coordinate plane.
A
A plane has one dimension because it is made up of an infinite number of points.
A
A plane has two dimensions because it is a flat surface that has length and width but no depth.
A
A plane has three dimensions because it is made up of exactly three noncollinear points.
20

Angle MON is a straight angle and bisects MOQ.

Question illustration
2
29°
5
58°
6
61°
1
122°

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