Question

Va rog dau 16 puncte ajutor am simulare ​

Answer 1

Răspuns:

BC = BM = AD = AM => ΔBMC = ΔADM =>

=> ∡BMC = ∡AMD = (180° - ∡CBM)/2

∡CBM = 90° + 60° = 150°

∡BMC = ∡AMD = (180° - 150°)/2 = 30°/2 = 15°

∡DMC = 60° - (∡BMC + ∡AMD)

= 60° - 30°

= 30°

Raspuns corect

b) 30°