Respuesta :

Answer:

(27)

Interior angles are all 90°

  • 5x - 3° = 90°
  • 5x = 93°
  • x = 93°/5
  • x = 18.6°

(28)

All sides are congruent

  • 14 - x = 2x + 5
  • 2x + x = 14 - 5
  • 3x = 9
  • x = 3

(29)

Diagonals are perpendicular

  • 13x + 5.5 = 90
  • 13x = 84.5
  • x = 84.5/13
  • x = 6.5°