Download 6.4 EXERCISES

Geometry 2
HW #12 questions 3-16
6.4
EXERCISES
HOMEWORK
KEY
5 WORKED-OUT SOLUTIONS
on p. WS1 for Exs. 9, 13, and 33
★ 5 STANDARDIZED TEST PRACTICE
Exs. 2, 16, 18, 19, 20, 33, and 38
SKILL PRACTICE
1. VOCABULARY Copy and complete: If two angles of one triangle are
congruent to two angles of another triangle, then the triangles are ? .
2.
EXAMPLE 1
on p. 382
for Exs. 3–11
★ WRITING Can you assume that corresponding sides and
corresponding angles of any two similar triangles are congruent?
Explain.
REASONING Use the diagram to complete the statement.
3. n ABC , ?
BA 5 AC 5 CB
4. }
}
}
?
?
?
B
25 5 ?
5. }
}
12
?
? 5 18
6. }
}
25
?
y
7. y 5
8. x 5
?
E
x
18
12
A
?
25
C
F
15
D
AA SIMILARITY POSTULATE In Exercises 9–14, determine whether the
triangles are similar. If they are, write a similarity statement.
9.
10.
F
K
11. R
N
M
458
858
P
V
658
428
Y
358
488
G
EXAMPLE 2
12.
on p. 382
for Exs. 12–16
A
H
E
13.
T
Z
14. L
Y
658
858
B
D
658
X
W
C
458
M
Z
508
P
U
15. ERROR ANALYSIS Explain why the student’s similarity statement is
incorrect.
ABCD , EFGH
by AA Similarity
Postulate
F
B
A
C
E
D
16.
★
G
H
MULTIPLE CHOICE What is the value of p?
A 5
B 20
C 28.8
D Cannot be determined
24
10
12
384
Chapter 6 Similarity
358
S
458
X
L
J
p
P
N
U