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grade10

NAME _____________________________________________ DATE ____________________________ PERIOD _____________
8 Standardized Test Practice
SCORE _____________
(Chapters 1-8)
Part 1: Multiple Choice
Instructions: Fill in the appropriate circle for the best answer.
1. If Μ…Μ…Μ…Μ…
𝑇𝐴 bisects ∠ YTB, Μ…Μ…Μ…Μ…
𝑇𝐢 bisects ∠ BTZ,
m∠ YTA = 4y + 6, and m∠ BTC = 7y – 4,
find m∠ CTZ. (Lesson 1-4)
A 52
B 38
C 25
1.
D8
2. Which statement is always true? (Lesson 2-5)
F If right triangle QPR has sides q, p, and r, where r is the hypotenuse, then π‘Ÿ 2 = 𝑝2 + π‘ž 2 .
Μ…Μ…Μ…Μ…, then EF = HJ.
G If Μ…Μ…Μ…Μ…
𝐸𝐹 βˆ₯ 𝐻𝐽
Μ…Μ…Μ…Μ…
H If 𝐾𝐿 and Μ…Μ…Μ…Μ…
𝑉𝑇 are cut by a transversal, then Μ…Μ…Μ…Μ…
𝐾𝐿 βˆ₯ Μ…Μ…Μ…Μ…
𝑉𝑇.
Μ…Μ…Μ…Μ…
Μ…Μ…Μ…Μ…
J If 𝐷𝑅 and 𝑅𝐻 are congruent, then R bisects Μ…Μ…Μ…Μ…
𝐷𝐻.
2.
3. The equation for ⃑𝑃𝑇 is y – 2 = 8(x + 3). Determine an equation for a line perpendicular
⃑ . (Lesson 3-4)
to 𝑃𝑇
1
1
Ay= x–7
B y = 8x – 13
Cy=− x+2
D y = –8x
3.
8
8
Μ…Μ…Μ…Μ… and Μ…Μ…Μ…Μ…
4. Angle Y in β–³XYZ measures 90°. π‘‹π‘Œ
π‘Œπ‘ each measure 16 meters. Classify β–³XYZ.
(Lesson 4-1)
F acute and isosceles
G equiangular and equilateral
H right and scalene
J right and isosceles
4.
5. Two sides of a triangle measure 4 inches and 9 inches. Determine which cannot be the
perimeter of the triangle. (Lesson 5-3)
A 19 in.
B 21 in.
C 23 in.
D 26 in.
𝐴𝐡
6. β–³ABC ∼ β–³STR, so 𝐢𝐴 =
F
𝐴𝐡
𝐡𝐢
G
?
5.
. (Lesson 6-2)
𝑆𝑇
𝑅𝑆
𝑇𝑅
𝑅𝑆
H 𝑅𝑆
J 𝑆𝑇
7. The Petronas Towers in Kuala Lumpur, Malaysia, are 452 meters tall. A woman who is
1.75 meters tall stands 120 meters from the base of one tower. Find the angle of elevation
between the woman’s hat and the top of the tower. Round to the nearest tenth. (Lesson 8-5)
A 14.8°
B 34.9°
C 55°
D 75.1°
6.
7.
8. Which equation can be used to find x? (Lesson 8-4)
𝑦
F x = y sin 73°
H x = cos 73°
G x = y cos 73°
𝑦
J x = sin 73°
8.
9. Which inequality describes the possible values
of x? (Lesson 5-6)
Ax<4
Cx>2
Bx<2
Dx>4
Chapter 8
9.
68
Glencoe Geometry
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
8 Standardized Test Practice (continued)
10. Ashley wants to make a poster for her campaign from a photograph. She uses a
photocopier to enlarge the 4 inch by 6 inch photograph. What are the dimensions
of the poster if she increases the size of the photograph by a scale factor of 5?
(Lesson 7-7)
F 2000 inches by 3000 inches
H 9 inches by 11 inches
G 0.8 inches by 1.2 inches
J 20 inches by 30 inches
10.
11. Find x. (Lesson 6-2)
A –3
C 5
B3
D 9
11.
12. Trapezoid ABCD has vertices A(1, 6), B(–2, 6), C(–10, –10), and D(20, –10).
Find the measure of ABCD’s midsegment to the nearest tenth. (Lesson 6-6)
F3
G 5.3
H 7.2
J 16.5
12.
For Questions 13 and 14, use the figure to the right.
13. Find QP to the nearest tenth. (Lesson 8-2)
A 7.5
B12
C18.3
D 19.6
13.
14. Find LM. (Lesson 8-3)
F5
G 5√3
H9
J 10√3
14.
Part 2: Gridded Response
Instructions: Enter your answer by writing each digit of the answer in a column box and
then shading in the appropriate circle that corresponds to that entry.
15. Find x so that β„“ βˆ₯ m. (Lesson 3-5)
15.
1 4 . 5
0
16. Find c to the nearest tenth. (Lesson 8-6)
16.
1 8 . 0
0
Chapter 8
69
Glencoe Geometry
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
8 Standardized Test Practice (continued)
Part 3: Short Response
Instructions: Write your answer in the space provided.
For Questions 17 and 18, complete the
following proof. (Lesson 2-7)
Μ…Μ…Μ…Μ…
Given: Μ…Μ…Μ…
𝐽𝐾 ≅ 𝐿𝑀
Μ…Μ…Μ…Μ… ≅ 𝐾𝐿
Μ…Μ…Μ…Μ…
𝐻𝐽
Μ…Μ…Μ…Μ… ≅ 𝐾𝑀
Μ…Μ…Μ…Μ…Μ…
Prove: 𝐻𝐾
Proof:
Statements
Reasons
Μ…Μ…Μ… ≅ Μ…Μ…Μ…Μ…
1. Μ…Μ…Μ…
𝐽𝐾 ≅ Μ…Μ…Μ…Μ…
𝐿𝑀, ̅𝐻𝐽
𝐾𝐿
1. Given
2. JK = LM, HJ = KL
3. (Question 18)
2. (Question 17)
3. Segment Addition Post.
4. HJ + JK = KL + LM
4. Add. Prop. of Equality
5. HK = KM
6. Μ…Μ…Μ…Μ…
𝐻𝐾 ≅ Μ…Μ…Μ…Μ…Μ…
𝐾𝑀
5. Substitution Prop.
Def. of ≅
segments
17. ______________________
HJ + JK = HK;
KL + LM = KM
18. ______________________
6. Def. of ≅ segments
For Questions 19 and 20, use the figure
at the right.
m∠1 = 32, m∠2 = 82,
m∠3 = 66, m∠4 =
114, m∠5 = 57
19. ______________________
19. Find the measure of the numbered angles
if m∠ ABC = 57 and m∠ BCE = 98. (Lesson 4-2)
20. If Μ…Μ…Μ…Μ…
𝐡𝐷 is a midsegment of β–³ABC, AD = 2x – 6, and DC = 22.5 – 4x, find AC.
(Lesson 5-2)
7
20. ______________________
21. If β–³DEF ≅ β–³HJK, m∠ D = 26, m∠ J = 3x + 5, and m∠ F = 92, find x.
(Lesson 4-3)
19
21. ______________________
22. Use the Exterior Angle Inequality
Theorem to list all of the angles
with measures that are less than
m∠ 1. (Lesson 5-3)
∠3, ∠4, ∠5, ∠7,
∠ABC
22. ______________________
23. a. Determine whether
β–³EFH ∼ β–³JGH. Justify
your answer. (Lesson 7-3)
yes, both are
30°- 60°- 90°
triangles; AA
Similarity
23.a ______________________
Μ…Μ…Μ…Μ… , find x. (Lesson 8-3)
b. If G is the midpoint of 𝐹𝐻
36
b. _____________________
c. Use the value of x you found in part b to find the scale factor of β–³EFH to
β–³JGH. (Lesson 7-3)
c.______________________
2:1
Chapter 8
70
Glencoe Geometry