Chapter 4 Practice Test #1
Class Name : M29 Geometry - 2019-20 Term1 Instructor Name : Mr. Beckey
Student Name : _____________________ Instructor Note :
1. Find the value of .
2. Find the value of .
3. In the triangle below, with right angle , suppose that and .
Find the degree measure of each angle in the triangle.
4. Find .
5. Are the triangles below acute, obtuse, or right?
x
x
∠R =m∠Q +2x 16 ° =m∠S +3x 4 °
x
82 °
x °67 °
56 °
133 ° x °
+3 x 4 °
+2x 16 °
R S
Q
114 °
x °
39 °42°
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5. Are the triangles below acute, obtuse, or right?
Triangle A Triangle B
Triangle C Triangle D
6. The triangles below are congruent and their corresponding parts are marked.
Name all the corresponding congruent angles and sides.Then, complete the triangle congruence statement.
(a) (b)
(c)
7. Consider and in the figure below.
Acute Obtuse Right
Triangle A
Triangle B
Triangle C
Triangle D
=~∠A ∠ =~AB
=~∠B ∠ =~AC
=~∠C ∠ =~BC
=~CAB
HIJ LKJ
60°
60°
60°
120° 30°
30°
55°
35°
40°
30°110°
A
B
C
Y
Z
X
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7. Consider and in the figure below.
Use the figure above to complete the following.
8. Use the given information to prove that .
Given:
Prove:
9.
Given:
Prove:
10. The segment was constructed so that it bisects
HIJ LKJ
(a) and have been separated. Fill in the missing vertex labels.HIJ LKJ
10
2
7
1
(b) Choose the correct statement below about and .
Then fill in the additional information as necessary.
HIJ LKJ
The triangles have a common side.
Common side: { , , , , , }HI HJ IJ JK JL KL
The triangles have a common angle.
Common angle: { , , , , , , , , , }∠1 ∠2 ∠3 ∠4 ∠5 ∠6 ∠7 ∠8 ∠9 ∠10The triangles have neither a common side nor a common angle.
=~PQR STR
=~QR TR
=~PR SR
=~PQR STR
Statement Reason
1 =~QR Given
2 =~PR SR _________________
3 =~∠ PRQ ∠ Vertical Angles Property
4 =~PQR STR _________________ 1 2 3
Line(s) Used
=~BC DC
=~AC EC
=~ABC EDC
H
I
J
L
K
8
109 5
76
3
14
2
P
Q
R
S
T
A
BC
D
E
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10. The segment was constructed so that it bisects .
11. For each figure below, determine (by using the markings) if there is a pair of congruent triangles. If there is, name the congruence and give the property justifying the congruence.
Note that the pairs of triangles are drawn as congruent, but you should not rely on how they are drawn in determining your answers.
(a)
Not Necessarily Congruent
Congruent :
________
by the (SAS | SSS | AAS | ASA) Congruence Property
(b)
Not Necessarily Congruent
Congruent :
________
by the (SAS | SSS | AAS | ASA) Congruence Property
(c)
Not Necessarily Congruent
Congruent :
________
by the (SAS | SSS | AAS | ASA) Congruence Property
12.
YP ∠XYZ
Based on the construction, choose the statement(s) that must be true.Choose all that apply.
=~YM XM
=~YX YP
=~YM YN
=~YQ XM
=~∠XYP ∠ZYP
None of these must be true.
=~MNO
=~UVW
=~GHI
Y
X
Z
M
N
P
Q
M
N
OQ
P
R
U
V
W Y
X
Z
G
H
I
K
J
L
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12.
Given:
bisects
Prove:
13.
Given:
Prove:
14.
Given: is the midpoint of
Prove:
15. Use the given information to prove that
=~DC AC
DA EB
=~ECD BCA
EF GD
FG DE
=~DEF FGD
C EB
DE AB
=~DC AC
~DEF DGF
C
A
B
D
E
D
E
G
F
C
A
B
D
E
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15. Use the given information to prove that .
Given: is a right angle
is a right angle
Prove:
16.
Given:
Prove:
17.
18. Each part below contains one triangle and one figure that can be adjusted to make a triangle. The markings indicate congruence.
=~DEF DGF
∠DFE
∠DFG
=~∠DEF ∠DGF
=~DEF DGF
Statement Reason
1 is a right angle∠ DFE Given
2 is a right angle∠ DFG Given
3 =~∠ DFE ∠ DFG _________________ 1 2
4 =~∠ DEF ∠ Given
5 =~DF Reflexive Property
6 =~DEF DGF _________________ 3 4 5
Line(s) Used
=~EF GF
=~∠DEF ∠HGF
=~DEF HGF
=~BC DC
=~∠BAC ∠DEC
=~AB ED
D
E
F
G
D
E
F
G H
A
B
C
D E
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18. Each part below contains one triangle and one figure that can be adjusted to make a triangle. The markings indicate congruence.
19. For each pair of triangles, determine whether the Hypotenuse-Leg (HL) Congruence Property can be used to prove that the triangles are congruent.
20. Use the given information to prove that
(a) Adjust the figure on the right to explore the different triangles that can beformed. Then answer the question. Note that the figure will not be graded.
Which of the following is true?
The two triangles must be congruent.
Reason: 'Side-Angle-Side (SAS) Congruence Property' , 'Angle-Side-Angle (ASA) Congruence Property' , 'Side-Side-Side (SSS) Congruence Property' , 'Angle-Angle-Side (AAS) Congruence Property'
The two triangles do not have to be congruent.
(b) Adjust the figure on the right to explore the different triangles that can beformed. Then answer the question. Note that the figure will not be graded.
Which of the following is true?
The two triangles must be congruent.
Reason: 'Side-Angle-Side (SAS) Congruence Property' , 'Angle-Side-Angle (ASA) Congruence Property' , 'Side-Side-Side (SSS) Congruence Property' , 'Angle-Angle-Side (AAS) Congruence Property'
The two triangles do not have to be congruent.
(a)
16 cm 16 cm
(b)
Can the HL CongruenceProperty be used?
Yes No Yes No
(c) (d)
Can the HL CongruenceProperty be used?
Yes No Yes No
~WYZ WXZ© 2019 M cGr aw - H i l l Educat i on. Al l R i ghts R eser ved.C hapter 4 Pr ac t i ce T es t #1 Page 7 / 15
20. Use the given information to prove that .
Given: and are right triangles
Prove:
21. For each part below, use the figure to fill in the blank. If necessary, you may learn what the markings on a figure indicate.
(a) Find . (b) Find .
______ ______
22. Suppose that is isosceles with base .
Suppose also that and .
Find the degree measure of each angle in the triangle.
23. Use the given information to complete the proof of the following theorem.
=~WYZ WXZ
WYZ WXZ
=~XZ YZ
=~WYZ WXZ
m∠Q m∠M
=m∠Q ° =m∠M °
VWX VX
=m∠V +4x 25 ° =m∠W +2x 40 °
W
X
Y
Z
Q
R
S
8 830 °
M N
P
+4x 25 °
+2x 40 °
W
V X
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23. Use the given information to complete the proof of the following theorem.
The angles opposite the two congruent sides of an isosceles triangle are congruent.
Given:
bisects
Prove:
24. Parallelogram is shown below. Give the coordinates of .
25. Determine whether a triangle with the given vertices is a right triangle.
=~QP QR
QS ∠PQR
=~∠P ∠R
RSTU T
Righttriangle
Not a righttriangle
Cannot bedetermined
, , D , 1 −2 E , −1 4 F , 5 6
, , J , −3 1 K , 1 7 L , 8 0
, , A , 4 11 B , 2 −12 C , −8 −4
Q
P
R
S
xx
yy
R(0, 0) U(h, 0)
T(?, ?)S(-f, g)
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Chapter 4 Practice Test #1 Answers for class M29 Geometry - 2019-20 Term1
1.
2.
3.
4.
5.
6.
(a) (b)
(c)
7.
8.
=x 31
=x 77
=m∠Q 44°=m∠R 90°=m∠S 46°
=x 33
Acute Obtuse Right
Triangle A
Triangle B
Triangle C
Triangle D
=~∠A ∠Y =~AB YZ
=~∠B ∠Z =~AC YX
=~∠C ∠X =~BC ZX
=~CAB XYZ
(a) and have been separated. Fill in the missing vertex labels.HIJ LKJ
10
2
7
1
(b) Choose the correct statement below about and .
Then fill in the additional information as necessary.
HIJ LKJ
The triangles have a common side.
Common side: ▼(Choose one)
The triangles have a common angle.
Common angle:
The triangles have neither a common side nor a common angle.
© 2019 M cGr aw - H i l l Educat i on. Al l R i ghts R eser ved.C hapter 4 Pr ac t i ce T es t #1 Page 10 / 15
8.
9.
10.
11.
Statement Reason
1 =~QR TR Given
2 =~PR SR _________________
3 g i v en Vertical Angles Property
4 =~PQR STR _________________ 1 2 3
Line(s) Used
Statement Reason Line(s) Used
1 =~B C D C Given
2 =~A C E C Given
3 =~∠ A C B ∠ E C D Vertical Angles Property
4 =~A B C E D C SAS Congruence Property 1 2 3
Based on the construction, choose the statement(s) that must be true.Choose all that apply.
=~YM XM
=~YX YP
=~YM YN
=~YQ XM
=~∠XYP ∠ZYP
None of these must be true.
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11. (a)
Not Necessarily Congruent Congruent :
QPRby the (SSS) Congruence Property
(b)
Not Necessarily Congruent Congruent :
________by the (_____) Congruence Property
(c)
Not Necessarily Congruent Congruent :
KJLby the (AAS) Congruence Property
12.
13.
14.
=~MNO
=~UVW
=~GHI
Statement Reason Line(s) Used
1 =~D C A C Given
2 bisectsD A E B Given
3 =~E C B C Definition of Segment Bisector 2
4 =~∠ E C D ∠ B C A Vertical Angles Property
5 =~E C D B C A SAS Congruence Property 1 3 4
Statement Reason Line(s) Used
1 E F G D Given
2 =~∠ E F D ∠ G D F If lines , then alt. int. s ∠ =~ 1
3 F G D E Given
4 =~∠ E D F ∠ G F D If lines , then alt. int. s ∠ =~ 3
5 =~D F D F Reflexive Property
6 =~D E F F G D ASA Congruence Property 2 4 5
M
N
OQ
P
R
U
V
W Y
X
Z
G
H
I
K
J
L
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14.
15.
16.
17.
18.
Statement Reason Line(s) Used
1 is the midpoint ofC E B Given
2 =~E C B C Definition of Midpoint 1
3 D E A B Given
4 =~∠ D E C ∠ A B C If lines , then alt. int. s ∠ =~ 3
5 =~∠ E C D ∠ B C A Vertical Angles Property
6 =~E C D B C A ASA Congruence Property 2 4 5
7 =~D C A C CPCTC Property 6
Statement Reason
1 is a right angle∠ DFE Given
2 is a right angle∠ DFG Given
3 =~∠ DFE ∠ DFG _________________ 1 2
4 co n gr i g
Given
5 1 Reflexive Property
6 =~DEF DGF _________________ 3 4 5
Line(s) Used
Statement Reason Line(s) Used
1 =~E F G F Given
2 =~∠ D E F ∠ H G F Given
3 =~∠ D F E ∠ H F G Vertical Angles Property
4 =~D E F H G F ASA Congruence Property 1 2 3
Statement Reason Line(s) Used
1 =~B C D C Given
2 =~∠ B A C ∠ D E C Given
3 =~∠ A C B ∠ E C D Vertical Angles Property
4 =~A B C E D C AAS Congruence Property 1 2 3
5 =~A B E D CPCTC Property 4
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18.
19.
20.
21. (a)
(a) Adjust the figure on the right to explore the different triangles that can beformed. Then answer the question. Note that the figure will not be graded.
Which of the following is true?
The two triangles must be congruent.
Reason: Choose one
The two triangles do not have to be congruent.
(b) Adjust the figure on the right to explore the different triangles that can beformed. Then answer the question. Note that the figure will not be graded.
Which of the following is true?
The two triangles must be congruent.
Reason: Angle-Side-Angle (ASA) Congruence Property
The two triangles do not have to be congruent.
(a)
16 cm 16 cm
(b)
Can the HL CongruenceProperty be used?
Yes No Yes No
(c) (d)
Can the HL CongruenceProperty be used?
Yes No Yes No
Statement Reason Line(s) Used
1 Undefined UndefinedW Y Z W X Z Given
2 =~X Z Y Z Given
3 =~W Z W Z Reflexive Property
4 =~W Y Z W X Z HL Congruence Property 1 2 3
=m∠Q 75°© 2019 M cGr aw - H i l l Educat i on. Al l R i ghts R eser ved.C hapter 4 Pr ac t i ce T es t #1 Page 14 / 15
21. (a)
(b)
22.
23.
24.
25.
=m∠Q 75°=m∠M 60°
=m∠V 61°=m∠W 58°=m∠X 61°
Statement Reason Line(s) Used
1 =~Q P Q R Given
2 bisectsQ S ∠ P Q R Given
3 =~∠ P Q S ∠ R Q S Definition of Angle Bisector 2
4 =~Q S Q S Reflexive Property
5 =~Q P S Q R S SAS Congruence Property 1 3 4
6 =~∠ P ∠ R CPCTC Property 5
T , +− f h g
Righttriangle
Not a righttriangle
Cannot bedetermined
, , D , 1 −2 E , −1 4 F , 5 6
, , J , −3 1 K , 1 7 L , 8 0
, , A , 4 11 B , 2 −12 C , −8 −4
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