Examine the Proof below line by line. Determine if there are any errors. Proof: Label r, as shown in the diagram. m& + my + mA = 180 Sum of the anele measures in a triangle is 18D mAr + m4 = 180 Vertical angles form supplementary angles m& + my + má = m A + má Substitution Property of Equality : ma + m4 = m& Subtraction Property of Equality Are there any errors in the statement or justification in:

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Examine the Proof below line by line. Determine if there are any errors.
Proof:
X W/ Z
Label bw, as shown in the diagram.
m& + mg + má = 180
Sum of the angle measures in a triangle is 180
már + m& = 180
Vertical angles form supplementary angles
m& + m4 + máv = ma + m
Substitution Property of Equality
: ma + m4 = m4
Subtraction Property of Equality
Are there any errors in the statement or justification in:
Line 1?
NO
Line 2? YES
Line 3? ( Select]
[ Select )
NO
Line 4? YES
Transcribed Image Text:Examine the Proof below line by line. Determine if there are any errors. Proof: X W/ Z Label bw, as shown in the diagram. m& + mg + má = 180 Sum of the angle measures in a triangle is 180 már + m& = 180 Vertical angles form supplementary angles m& + m4 + máv = ma + m Substitution Property of Equality : ma + m4 = m4 Subtraction Property of Equality Are there any errors in the statement or justification in: Line 1? NO Line 2? YES Line 3? ( Select] [ Select ) NO Line 4? YES
Expert Solution
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We have the following diagram

Geometry homework question answer, step 1, image 1

We have given statement as

1)  mx+my+mw=180°2)  mw+mz=180°3)  mx+my+mw=mw+mz4)  mx+my=mz

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