I need the measure of angle 1

asked Oct 21, 2021 67.5k views

1 vote

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4 votes

Answer:

Angle 1 is 69°

Explanation:

9x + 66 = -9x + 156

9x + 9x = 156 - 66

18x = 90

18x/18 = 90/18

x = 5

-9x + 156

-9(5) + 156

-45 + 156

111

180 - 111 = 69.

Dvanrensburg answered Oct 27, 2021

5.7k points

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