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I really need help with this question
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I really need help with this question

I really need help with this question-example-1
User RH Becker
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if you add up the angle measures and put them equal to 540, you end up with 160 as the x.
1/2x + 1/2x + x - 25 + 100 + x - 15 = 540
that simplifies to 3x + 60 = 540
thus, x = 160
User Boblin
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