<object:standard:macc.912.g-srt.3.6>A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point...

<object:standard:macc.912.g-srt.3.6>A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below:



What is the height, in feet, of the portion AB of the lamppost?

<object:standard:macc.912.g-srt.3.6>