galaxygal
galaxygal galaxygal
  • 19-05-2017
  • Mathematics
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find and explain how to find D.

find and explain how to find D class=

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Аноним Аноним
  • 19-05-2017
a = 80/2 = 40
b = 100/2 = 50

d = 180 -  (a+b)
d = 180 - (40+50)
d = 180 - 90
d = 90
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