delanoanderson delanoanderson
  • 02-02-2020
  • Mathematics
contestada

What’s the measure of A

Whats the measure of A class=

Respuesta :

701331
701331 701331
  • 02-02-2020
Answer and work in this picture:
Answer Link
fatemehkorea
fatemehkorea fatemehkorea
  • 02-02-2020

Answer:

∠A = 82°

Step-by-step explanation:

  • supplementary angles are two angles whose sum is 180°

∠A + ∠B = 180°

4x - 30 + 4x - 14 = 180

4x + 4x = 180 + 30 + 14

8x = 224

x = 224/8

x = 28

∠A = 4*28 - 30 = 82

∠A = 82°

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