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Sketch each angle below on your paper, and label each one with its measure in degrees.  Homework Help ✎


  1. Identify whether each angle is an acute, obtuse, or right angle.

    1) Right angles are .
    2) Acute angles are less than .
    3) Obtuse angles are greater than , and less than .

  2. Which angles could form a complementary pair?

    Complementary angles add to .

    . Thus, and are a complementary pair.

  3. Which angles could form a supplementary pair?

    Supplementary angles add to .