This mathematics ClipArt gallery offers 155 images of curved, broken, and straight lines. Also included are illustrations of intersecting, parallel, perpendicular, and transversal lines.

Illustration of perpendicular lines with the horizontal and vertical lines labeled. "A horizontal line…

Illustration showing that a transversal is a straight line that cuts two or more straight lines.

Illustration showing that when three or more parallel lines intercept equal parts on one transversal,…

Illustration showing that if two parallel lines are cut by a transversal, then the alternate interior…

Illustration showing that when two straight lines in the same plane are cut by a transversal, if the…

Illustration showing that when two parallel lines are cut by a transversal, the exterior-interior angles…

Illustration showing that when two parallel lines are cut by a transversal, the two interior angles…

Drawing perpendicular lines using a drawing board and pairs of triangles.

Oval with dotted vertical and horizontal lines that are lines of symmetry.

Illustration showing two parallel vertical lines cut by a perpendicular line and a transversal. Congruent…

A perpendicular line drawn from point P to straight line RS.

Illustrations of a segment, a ray, and a line that can be used when providing definitions.

A line with arrows on both ends to show that it extends indefinitely. The line is slanting up when read…

A line with arrows on both ends to show that it extends indefinitely. The line is slanting down when…

A line with arrows on both ends to show that it extends indefinitely. The line is slanting up when read…

A line with arrows on both ends to show that it extends indefinitely. The line is slanting down when…

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.…

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.…

Square with dotted vertical, horizontal, and diagonal lines that are lines of symmetry.

Illustration of two straight lines cut by a transversal. The 8 angles formed are labeled.

Illustration of two straight lines, AB and CD, cut by a transversal EF.

Illustration of a vertical line segment. A line segment is a section of a line with definite endpoints.

Illustration of a vertical line segment. A line segment is a section of a line with definite endpoints.…

The horizontal alignment Winding Road signs may be used in advance of situations where the horizontal…