PLEASE HELP ME, IM GONNA CRY Look at the figure below:

Triangle ABC is a right triangle with angle ABC equal to 90 degrees. The length of AC is 6 units, and the length of AB is 5 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?

11
7.2
5.5
10