tatyluvyou tatyluvyou
  • 24-04-2020
  • Mathematics
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Pls help me outtttt!!!!!

Pls help me outtttt class=
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anhphamngoc112 anhphamngoc112
  • 24-04-2020

Answer:

b= 69

Step-by-step explanation:

total inside angles = 900

because (7-2)*180 = 900

plus them all and set it = 900

you will get b= 69

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