A lamppont, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below 55%
B
с
20 feet
What is the height, in feet, of the portion AB of the lamppost? (5 points)
20 cos 550
20
cos 55°
20 tan 55
20
tan 55°

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min