Q:

In the given figure, ABCD is a square inscribed in a circle of radius 4 cm. CD is produced till point E. From E a tangent is drawn to the circle at point B.  What is the length (in cm) of AE?

• 1
  $$ {8\sqrt{10}}$$
• 2
  $$ {6\sqrt{10}}$$
• 3
  $$ {4\sqrt{10}}$$
• 4
  $$ {3\sqrt{10}}$$