Question

Whats the measure of ec ?

Answer 1

<DCE=90

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

⇒AC=EC=2 ADE, AD=AE and DC _|_ AE

⇒AC=EC=2

Explanation:

Answer 2

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