Question

7,8,9 va rog in i trebuie urgent

Answer 1

7: m(C) = 180-80-40=60
m(extA) = 180-40 = 140
m(extB) = 180-80 = 100
m(extC) = 180-60 = 120

8: 3*180 - 180 = 360

9: m(A) = 180 - 110 = 70
m(B) = 180-150 = 30
m(C) = 180-(70+30) = 80