Answer:
60 degrees
Step-by-step explanation:
CAD and CAB are complementary angles, meaning that they add up to 90 degrees (and form a right angle- of course!)
Therefore, we know that the angle measure of CAB is 30 degrees and we have 30 degrees+CAD=90 degrees.
Subtracting thirty degrees from both sides of this equation we get CAD=60 degrees.
Hope this helps!
