Many medications are determined by the weight of the patient in kilograms when a patient’s weight is measured by pounds the doctor must then convert the weight into kilograms the table shows conversions for common unit of weight

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?