Respuesta :

elzny

Answer:

see below

Step-by-step explanation:

because all sides are equal

so ∠1 = ∠4

so ∠1 + ∠4 + 52*2 =180

so ∠1 = ∠4 = 38

∠1 + ∠2 +52 =180  ⇒ 38+52+∠2 =180

so ∠2  = ∠3 = 90