mia4fries
mia4fries mia4fries
  • 18-12-2020
  • Mathematics
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What is the answer ​

What is the answer class=

Respuesta :

gcantiga44
gcantiga44 gcantiga44
  • 18-12-2020

Answer:

∠B = 60°

Step-by-step explanation:

They are supplementary angles, which means they add up to 180°.

∠B + ∠A = 180

? + 120 = 180

? = 180 - 120

? = 60°

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