Respuesta :

sqdancefan

Answer:

  • x = 52°
  • y = 128°

Step-by-step explanation:

The triangle is isosceles, so the angles on either end of the parallel bases are congruent. Right away, that tells you y = 128°.

The angles at the side of a trapezoid are supplementary, so ...

  x = 180° - 128°

  x = 52°