saicastillo116777 saicastillo116777
  • 11-11-2021
  • Mathematics
contestada

In △ABC, m∠A = 75° and m∠C = 20°, What is m⁢∠⁡⁣B?

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kartik0501
kartik0501 kartik0501
  • 11-11-2021

Answer:

30 degree ok please make me brainliest

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jimrgrant1 jimrgrant1
  • 11-11-2021

Answer:

∠ B = 85°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , that is

∠ A + ∠ B + ∠ C = 180° , substitute values

75° + ∠ B + 20° = 180°

∠ B + 95° = 180° ( subtract 95° from both sides )

∠ B = 85°

Answer Link

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