Miss Richards claims she waited for a cab after her coworkers left. She was told the cab would come in five minutes. How long did she wait for the cab before she decided to drive home

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?