An angle is the difference in direction of two lines meeting at a common point. Vertical angles and alternate interior angles are specific types of angles formed by intersecting lines with distinct properties.
An angle is the difference in direction of two lines which, if extended, would meet. Angles are measured by using the meeting point as the center of a circle and finding the fraction of the circle, or number of degrees of the circle, included between the lines.
Angles formed by a line intersecting two other lines are known as alternate interior angles. They are formed when a transversal intersects two other lines, creating pairs of angles with specific relationships.
Vertical angles are congruent angles that are formed by intersecting lines. They have the same measures and are formed opposite to each other at the intersection point.
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