Respuesta :

3016183

Answer:

(a)=40  (b)=60

Step-by-step explanation:

(a)=

So first 70 +70 = 140 then 180-140 = 40

(b)

So first 180/3 = 60 all angles =60
a=40 b=60

A explanation
70 + 70 = 140
180-140 = 40

B explanation
180/3= 60
all angles = 60