AnswersCR CCSS Math 2 S2 M2960OXTriangle Similarity: SSS and SAS (Sec 7-3, 7-4, 7-5)

Using Triangle Similarity Theorems Answers

15 verified answers2 views
4

Complete the missing parts of the paragraph proof.

Answers:
slope of DE = = =:0
slope of BC =:0
Therefore, because , DE ∥ BC.:the slopes are equal
5

Complete the steps of the proof.

Answers:
♣::SAS similarity theorem
♦::definition of similar triangles
6

definition of congruent anglesdefinition of corresponding angles✔ definition of similar triangles

A
definition of congruent angles
B
definition of corresponding angles
C
✔ definition of similar triangles
7

Complete the statements to solve for x.

Answers:
By the converse of the side-splitter theorem, if JK/KL = , then KM ∥ JN.:NM/ML
Cross-multiply: (x – 5)() = x(x – 3).:x + 4
Multiply and simplify: x2 – x – = x2 – 3x.:20
Solve for x: x = .:10
8

X x✔ x + 4x – 3

A
X x
B
✔ x + 4
C
x – 3
9

X –19✔ 20

A
X –1
B
9
C
✔ 20
10

0.54.5✔ 10

A
0.5
B
4.5
C
✔ 10
11

Complete the missing parts of the paragraph proof.

Answers:
slope of DE = = =:0
slope of BC =:0
Therefore, because , DE ∥ BC.:the slopes are equal
12

2a✔ 0undefined

A
2a
B
✔ 0
C
undefined
13

✔ the slopes are equalthe slopes are not equalX the slopes are negative reciprocals

A
✔ the slopes are equal
B
the slopes are not equal
C
X the slopes are negative reciprocals

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