Respuesta :

choixongdong

Answer:

  x = 37

<A = 65

<B = 78

Step-by-step explanation:

Interior angles of a triangle sum = 180

so

x + 2x + 4 + 2x - 9 = 180

5x - 5 = 180

5x = 185

 x = 37

<A = 2(37) - 9 = 65

<B = 2(37) + 4 = 78

Answer

x = 37

<A = 65

<B = 78

Otras preguntas