This mathematics ClipArt gallery offers 148 images of curved, broken, and straight lines. Also included are illustrations of intersecting, parallel, perpendicular, and transversal lines.

The illustration of an irregular curves for solid. The isometric projection of the curve can be drawn…

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

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

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

Isosceles Triangle with a dotted vertical line that is a line of symmetry.

Letter A with a dotted vertical line that is a line of symmetry.

Letter B with a dotted horizontal line that is a line of symmetry.

Illustration showing that the perpendicular is the shortest line that can be drawn to a straight line…

Illustration of a line projection. If perpendiculars be drawn from the extremities of a line, as AB,…

Projections of a line inclined to both the horizontal and vertical planes will not show its true length,…

An illustration of a straight line with 5 points dividing it into 4 equal parts. Multiple of a given…

Illustration of two lines intersecting at a point. This can be used to show vertical angles.

Illustration showing two straight lines drawn from the same point in a perpendicular to a given line,…

Illustration showing two lines CA and CB drawn from the point C to the extremities of the straight line…

Illustration of two straight lines drawn from a point in a perpendicular to a given line, cutting off…

Illustration showing only one perpendicular can be drawn to a given line from a given external point.

Illustration showing two straight lines in the same plane perpendicular to the same straight line are…

Illustration showing if a straight line is perpendicular to one of two parallel lines, it is perpendicular…

Illustration of two parallel lines with equal segments between them. Two parallel lines are everywhere…

Illustration of perpendicular lines. Intersecting lines that meet at a right angle.

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…