rabiahgillam32804 rabiahgillam32804
  • 02-11-2020
  • Mathematics
contestada

What is m angle a need help

What is m angle a need help class=

Respuesta :

netizenwebb netizenwebb
  • 02-11-2020

Answer:

 m∠A = 118°

 m∠B = 27°

 m∠C = 35°

Step-by-step explanation:

m∠A = 3x + 13

m∠B = x - 8

m∠C = x

m∠A + m∠B + m∠C = 180°

3x + 13 + x - 8 + x = 180

5x + 5 = 180

5x = 175

x = 35

m∠A = 3x + 13 = 3(35) + 13 = 118°

m∠B = x - 8 = 35 - 8 = 27°

m∠C = x = 35°

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