Respuesta :

<DCE=90
in triangle ADE, AD=AE and DC _|_ AE
 ⇒AC=EC=2 

Answer:

<DCE=90

in the triangle ADE, AD=AE and DC _|_ AE

⇒AC=EC=2  ADE, AD=AE and DC _|_ AE

⇒AC=EC=2

Step-by-step explanation: