A police department has set up a speed enforcement zone on a straight length of highway. A

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A police department has set up a speed enforcement zone on a straight length of highway. A patrol car is parked parallel to the zone, 200feet from one end and 150feet from the other end (see figure).
Enforcement zone 200 ft 150 ft CE Not drawn to scale

(a) Find the length l of the zone and the measures of angles A and B (in degrees).
(b) Find the minimum amount of time (in seconds) it takes for a vehicle to pass through the zone without exceeding the posted speed limit of 35miles per hour.

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