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jprofaci29
28.01.2020 •
Mathematics
If one angle in a pair of vertical angles with measures 42° and the other measures ( 2n - 4 ) degrees, which is the value of n?
a. 42
b. 26
c. 23
d. 7
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Ответ:
2n-4=42
add 4 to both sides
2n=46
divide both sides by 2
n=32
Ответ: