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  • 22-05-2020
  • Mathematics
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I forgot about how you do this and answer. Do you mind to also explain the steps?

I forgot about how you do this and answer Do you mind to also explain the steps class=
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Аноним Аноним
  • 22-05-2020

Answer:

C.

Step-by-step explanation:

First, call the unknown angle x.

Use the Exterior Angle Theorem:

140 = 45 + x

x = 95°

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