3(Multiple Choice Worth 1 points) (05.01 LC) A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below: Triangle ABC has measure of angle C equal to 45 degrees, measure of angle ABC equal to 90 degrees, and length of BC equal to 12 feet. What is the height, in feet, of the portion AB of the lamppost? 12 tan 45 12 divided by tan 45 degrees 12 divided by cos 45 degrees 12 cos 45