4. In the figure, parallel lines m and n are cut by the transversal /. in 56 87 12 4 3 The table shows an incomplete proof that 22 2 28. Drag the correct step and reason to complete the pro

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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14. In the figure, parallel lines m and n are cut by the transversal I.
m
56
87
12
4 3
The table shows an incomplete proof that 22 28. Drag the correct step and reason to complete the proof
Definition of
complementary angles
Statements
Reasons
Transitive property
m21+ mL2 = 180°
m21+m5 mL2+m8
1.
m25 + mz8 = 180°
1.
Linear pair postulate
mL5 + mL2 = m5+ m8
2.
m21 + mZ2= m25 + mZ8
2.
3.
21 = Z5
3. Corresponding angles
4.
m21 = mZ5
4. Definition of congruence
5.
Substitution property
5.
6.
m22 = m28
Subtraction property
6.
7.
22 = 8
7. Definition of congruence
Transcribed Image Text:14. In the figure, parallel lines m and n are cut by the transversal I. m 56 87 12 4 3 The table shows an incomplete proof that 22 28. Drag the correct step and reason to complete the proof Definition of complementary angles Statements Reasons Transitive property m21+ mL2 = 180° m21+m5 mL2+m8 1. m25 + mz8 = 180° 1. Linear pair postulate mL5 + mL2 = m5+ m8 2. m21 + mZ2= m25 + mZ8 2. 3. 21 = Z5 3. Corresponding angles 4. m21 = mZ5 4. Definition of congruence 5. Substitution property 5. 6. m22 = m28 Subtraction property 6. 7. 22 = 8 7. Definition of congruence
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