annawood3729
annawood3729 annawood3729
  • 04-02-2020
  • Mathematics
contestada

I need help please and thank you

I need help please and thank you class=

Respuesta :

itmye84 itmye84
  • 04-02-2020

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

The angles you know are 28° and 36°, so you can do this to find ∠B:

∠A + ∠B + ∠C = 180°

or 28° + ∠B + 36° = 180°      Add 28 and 36

64° + ∠B = 180°      Subtract 64 on both sides

∠B = 116

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