Perpendicular Lines, Two lines that form a right angle, Obtuse, an angle whose measure is greater than 90 degrees, Line, A set of points whose length goes forever in two opposite directions, Acute, an angle whose measure is less than 90 degrees, Right Angle, An angle whose measure is 90 degrees, Parallel Lines, Made up of lines that are equal distance apart which travel in the same direction, they will never intersect, Intersecting Lines, Lines that cross at one point and form angles that are not right angles, Point, A dot, an exact location, Line Segment, Part of a line that has two end points, Ray, A line with one endpoint.

Rays, Lines, Angles

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