Answer:
73.2 degrees
Step-by-step explanation:
For two angles to be complementary, the sum of the angles is 90 degrees
Since one of the angle is 16.8, let the other angle be x
Therefore x + 16.8 = 90
x = 90 - 16.8
x = 73.2 degrees
Hence the measure of the complementary angle is 73.2 degrees