(a) An angle measures $$ 42^{\circ} $$. What is the measure of its supplement? (b) An angle measures $$ 28^{\circ} $$, What is the measure of its complement? measure of the supplement:

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1. **Supplement of an Angle**
   - By definition, supplementary angles add up to $$180^\circ$$.
   - For an angle measuring $$42^\circ$$, its supplement is computed as:
     $$
     180^\circ - 42^\circ = 138^\circ
     $$
     
2. **Complement of an Angle**
   - Complementary angles add up to $$90^\circ$$.
   - For an angle measuring $$28^\circ$$, its complement is computed as:
     $$
     90^\circ - 28^\circ = 62^\circ
     $$
     
Thus, the measure of the supplement is $$138^\circ$$ and the measure of the complement is $$62^\circ$$.
The supplement of a $$42^\circ$$ angle is $$138^\circ$$, and the complement of a $$28^\circ$$ angle is $$62^\circ$$.

(a) An angle measures \( 42^{\circ} \). What is the measure of its supplement? (b) An angle measures \( 28^{\circ} \), What is the measure of its complement? measure of the supplement:

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