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

User Skr
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1 Answer

23 votes
23 votes

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)}

User Ambesh Tiwari
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2.6k points