Question

An angle measures 178.2° less than the measure of its supplementary angle. What is the measure of each angle?

Answer 1

If an angle measures x degrees, its supplement measures (180-x) degrees.

This means that:

`x+178.2=180-x\\2x=180-178.2=1.8\\x=0.9`

So, the angles measure
`\boxed{0.9^(\circ), 179.1^(\circ)}`