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Savannah completed a proof showing that non-adjacent angles A and B are congruent. What is the value of y? (Enter answer as a whole number)* ​

Savannah completed a proof showing that nonadjacent angles A and B are congruent What is the value of y Enter answer as a whole number class=

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upandover

180 = 140 + x + 12

x = 28

2x - y = x + 12

2(28) - y = 28 + 12

56 - y = 40

y = 16

Hope this helps! :)

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