Illustration used to draw a parabola when given the base and height.

An illustration showing how to construct a parabola by plotting. "Having given the axis, vertex, and…

An illustration showing how to construct a parabola using a pencil and a string. "Having given the two…

An illustration showing how to construct a parabola. "Given the vertex A, axis x, and a point P. Draw…

An illustration showing how to construct a parabola. "Given the axis of ordinate B, and vertex A. Take…

Illustration used to show how to draw a parabola when the axis and longest double ordinate is given.

Illustration of the construction used to create a line parallel to a given line.

Illustration used to show how to draw a parallelogram when given the sides and one of the angles.

Illustration of a how to construct a square equivalent to a given parallelogram.

Illustration used to show how to inscribe a regular pentagon in a given circle.

Illustration of a how to construct a pentagon similar to two given pentagons.

Illustration of the construction used to make a perpendicular bisector of a straight line.

Illustration of the construction used to create a perpendicular to a straight line at a given point.

Illustration of the construction used to create a perpendicular to a straight line from a given point…

Illustration used to show how to inscribe any regular polygon in a given circle.

Illustration used to draw lines which are radii of a circle where the center is inaccessible.

Illustration used to show how to draw a regular polygon when given a side of the polygon.

Illustration used to show how to inscribe a square in a given circle.

Illustration of a square constructed upon the sum of two straight lines.

Illustration of a square constructed upon the difference of two straight lines.

Illustration of a square constructed upon the difference of two straight lines.

Illustration of a how to construct a square equivalent to the sum of two given squares.

Illustration of a how to construct a square equivalent to the difference of two given squares.

Illustration used to construct a square that shall be a multiple of any given square.

Illustration used to construct a square that shall be in proportion to a given square.

Illustration used to construct a square that shall be in proportion to a given square.

Illustration used to show how to draw a straight line parallel to a straight line through a given point.

Illustration used to show how to draw a perpendicular to a straight line from a given point on the line…

Illustration used to show how to draw a perpendicular to a straight line from a given point on the line…

Illustration used to show how to draw a perpendicular to a straight line from a given point that is…

Illustration used to show how to draw a perpendicular to a straight line from a given point that is…

Illustration used to show how "to construct a tangent to a circle from a point outside."

Illustration used to construct a triangle given the length of the base and the two base angles.

Illustration used to show how to draw a triangle when given two sides and the included angle of the…

Illustration used to construct an equilateral triangle on a given base.