Respuesta :

xenia168

Answer:

x = 3 ; y = 30

Step-by-step explanation:

Δ is equilateral or equiangular ⇒ m∠A = m∠B = m∠C = 60°

(2y)° = 60° ⇒ y = 30

(25x - 15)° = 60° ⇒ x = 3