Respuesta :

wegnerkolmp2741o

Answer:

<a = 60

< b = 50

Step-by-step explanation:

<a + 120 = 180 since they form a straight line

<a = 180-120

<a = 60

<b+ <a+70 =180  since they form a triangle

<b + 60+ 70 = 180

<b + 130 = 180

<b = 180-130

< b = 50