Respuesta :

Answer:

h = 24 cm

Step-by-step explanation:

The triangles are similar.

Their dimensions are proportional.

Finding scale factor :

  • DC/AE
  • 10/20
  • 1/2

Finding h :

  • h + h/2 = 36
  • 3h/2 = 36
  • 3h = 72
  • h = 24 cm