Question

fill in the blank with an appropriate word. two angles, the sum of whose measures is 180°, are called ______ angles. two angles, the sum of whose measures is 180°, are called angles.

Explanation:

In Geometry (a subfield of Mathematics), the definition of supplementary angles is two angles whose sum of measures is \(180^\circ\). This is a fundamental concept in angle relationships.

Answer:

supplementary