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1. how will you know that adjacent angles are supplementary
A Linear Pair is two adjacent angles whose non-common sides form opposite rays. ∠1 and ∠2 form a linear pair. ... If two angles form a linear pair, the angles are supplementary. A linear pair forms a straight angle which contains 180º, so you have 2 angles whose measures add to 180, which means they are supplementary.
2. what is the difference between vertical angles and adjacent angles?
Adjacent angles are two angles that have common arm and common vertex. Vertical Angles - Two lines intersect each other and form angles. The opposite angles are called vertically opposite angles.
3. what is the best way to determine or prove relationships among angles?
Beyond measuring the degrees or radians, you can also compare angles and consider their relationships to other angles. We talk of angle relationships because we are comparing position, measurement, and congruence between two or more angles.