heyyyyy39
heyyyyy39 heyyyyy39
  • 31-01-2019
  • Mathematics
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I need help with this!

I need help with this class=

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meredith48034
meredith48034 meredith48034
  • 31-01-2019
6x° + 3x° = 180°

9x° = 180°

x°= 20°

6(20°)= 120°
3(20°)= 60° for m<BEF
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