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  • 25-04-2019
  • Mathematics
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PLEASE HELP 10 POINTS

PLEASE HELP 10 POINTS class=

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Аноним Аноним
  • 25-04-2019

Answer:

40

Step-by-step explanation:

180 degrees for a triangle. We add 87 and 53 degrees.

That equals 140. Again, back to 180 degrees. We minus 180 degrees with 140 degrees which equals:

40 degrees.

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