Nhat is the missing reason in step 3?
statements
mztrv=60°; mztrs = (4x)
trs and...
Mathematics, 11.09.2019 00:30 haloom9698
Nhat is the missing reason in step 3?
statements
mztrv=60°; mztrs = (4x)
trs and ztrw are a linear pair
mztrs + mztrv=180
60+4x = 180
4x = 120
x = 30
reasons
1. given
2. definition of linear pair
3. ?
substitution property of equality
subtraction property of equality
6. division property of equality
5
6.
substitution property of equality
angle addition postulate
subtraction property of equality
addition property of equality
Answers: 3
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