An angle is a combination of two rays (half-lines) with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes ...
When a third line, called a transversal, crosses these parallel lines, it creates angles. Some angles are equal, like vertical angles (opposite angles) and ...
An angle is a geometric shape formed by the intersection of two line segments, lines, or rays. Angles are a measure of rotational distance as contrasted ...