AH = AH Dy reflexive property WH = HN because corresponding parts of congruent triangles are congruent. equality om construction hồ. 1. Số, Statements From the illustration: CN = CH + HN Reasons 1. 1. 2. CN = CH + WH 2. 3. In ACHW, CH + WH > CW 3. Using statement 2 in 3: CN > CW 4. 4. Using statement in construction 1 in5 statement 4: CN> LT 5. A. Triangle Equality theorem 3 B. Segment addition Postulate C. Substitution property of equality (using statement 2 in 3) D. Substitution property of Equality E. Substitution property of equality (using statement in construction 1 in statement 4)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Directions: Complete the following proof by adding the missing statement or reason. Use the choices inside the box below.

 

Given: ACAN and ALYT; CA = LY, AN YT, LA > LY
Prove: CN > LT
Proof:
Construct AW such that:
• AW = AN = YT.__
• Aw is between AC and AN, and
• ZCAW LLYT.
1.
A
Consequently, ACAW ALYT by SAS Triangle Congruence Postulate. So, CW
LT because corresponding parts of congruent triangles are congruent.
Construct the bisector AH of 4NAW such that:
• H is on CN
• ZNAH = LWAH
2
Consequently, ANAH = AWAH by SAS Triangle Congruence Postulate because
AH = AH by reflexive property of equality and AW E AN from construction no. 1. So,
WH = HN because corresponding parts of congruent triangles are congruent.
Statements
Reasons
From the illustration:
CN = CH + HN
1.
1.
2.
CN CH + WH
2.
3.
In ACHW, CH + WH> CW
3.
4.
Using statement 2 in 3:
4.
CN > CW
Using statement in construction 1 in 5
statement 4: CN> LT
5.
A. Triangle Equality theorem 3
B. Segment addition Postulate
C. Substitution property of equality (using statement 2 in 3)
D. Substitution property of Equality
E. Substitution property of equality (using statement in construction 1 in statement 4)
Transcribed Image Text:Given: ACAN and ALYT; CA = LY, AN YT, LA > LY Prove: CN > LT Proof: Construct AW such that: • AW = AN = YT.__ • Aw is between AC and AN, and • ZCAW LLYT. 1. A Consequently, ACAW ALYT by SAS Triangle Congruence Postulate. So, CW LT because corresponding parts of congruent triangles are congruent. Construct the bisector AH of 4NAW such that: • H is on CN • ZNAH = LWAH 2 Consequently, ANAH = AWAH by SAS Triangle Congruence Postulate because AH = AH by reflexive property of equality and AW E AN from construction no. 1. So, WH = HN because corresponding parts of congruent triangles are congruent. Statements Reasons From the illustration: CN = CH + HN 1. 1. 2. CN CH + WH 2. 3. In ACHW, CH + WH> CW 3. 4. Using statement 2 in 3: 4. CN > CW Using statement in construction 1 in 5 statement 4: CN> LT 5. A. Triangle Equality theorem 3 B. Segment addition Postulate C. Substitution property of equality (using statement 2 in 3) D. Substitution property of Equality E. Substitution property of equality (using statement in construction 1 in statement 4)
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