emptyusername12 emptyusername12
  • 02-04-2021
  • Mathematics
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xiaoline4ever
xiaoline4ever xiaoline4ever
  • 02-04-2021

Answer:  35

Step-by-step explanation:

The sum of interior angles of a triangle is 180°.

40 + 2a + 2a = 180

4a + 40 = 180

4a = 140

a = 35

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