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I need help I'm confused

I need help I'm confused-example-1
User Alexzander
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2 Answers

5 votes
11. -6
12. -7
In case you didn’t wanna read all that
User Shalu T D
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8.5k points
5 votes

11) x+61 + x+51 + 80 = 180 ( angle sum property )

2x + 192 = 180

2x = 180 - 192

2x = -12

x = -12/2

x = -6

12) x+52 + 67+x + 75 = 180 ( angle sum property )

2x + 194 = 180

2x = 180 - 194

2x = -14

x = -14/2

x = -7

HOPE IT HELPS !!!

User AngiSen
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8.4k points
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