The correct requirement of complementary angles is: The measures of complementary angles must add up to 90°.
Complementary angles do not need to be adjacent or vertical; they simply need to sum to 90 degrees.
What is a requirement of complementary angles?
Complementary angles must be adjacent.
Complementary angles must be vertical.
The measures of complementary angles must add up to 90°.
The measures of complementary angles must add up to 180°.
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