This mathematics ClipArt gallery offers 213 illustrations of common geometric constructions. Geometric constructions are made with only the use of a compass and a straight edge. In addition to the constructions of different types of polygons, images include those used to show how to bisect a line, angle, and arc.

Illustration of the construction used to create an isosceles triangle, given the bases and the sum of…

An illustration showing the construction used to divide a line AB into two equal parts; and to erect…

Illustration used to show how to find a straight line of the same length as a given arc of a circle.

"A regular township, according to United States surveys, is 6 miles square and is divided into 36 equal…

An illustration showing how to construct a regular octagon from a square by cutting off the corners…

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

An illustration showing how to construct an octagon on a given line. "Prolong AB to C. With B as center…

A problem exercise creating a stretched out or developed image of the octagonal light shade by using…

Problem exercise in drawing a development or a stretchout image of the octagonal roof and finding the…

Illustration used to show how to draw an egg-shaped oval when given the diameters.

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

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.

An illustration showing the construction used to erect a parallel line. "With C as a center, draw the…

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

An illustration showing the construction used to erect a parallelogram given two sides and an angle.…

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

An illustration showing how to construct a pentagon inscribed in a circle. "Draw the diameter AB, and…

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

An illustration showing how to construct a pentagon on a given line. "From B erect BC perpendicular…

An illustration showing how to construct a pentagon on a given line without resort to its center. "From…

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

"An involute is a curve generated by unwrapping an inflexible chord from around a polygon. Thus the…

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…

An illustration showing the construction used to erect a perpendicular. "With C as a center, draw the…

An illustration showing the construction used to erect a perpendicular from a point to a line. "With…

An illustration showing the construction used to erect a perpendicular at the end of a line. "With the…

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

"ABCD to a new base A'B'. With radii AC and BC describe intersection arcs from centers A'B', locating…

An exercise developed to draw a rolled out or development of the pentagon prism in a 4" by 5" surface.

An exercise in drawing a pentagonal prism development or rolled out image in a 4" by 5" area.

An illustration to exercise a stretched out, or development, image of the triangular prism using 4"…

An illustration to draw triangle prism's development, or stretched out surfaces, in a 4" by 5" surface.

An illustration of Axonometric Projection, or object related by plane of projection, of a cube. The…

"The axes or edges, CG and CD, are foreshortened a like amount, while CB is foreshortened twice that…

A rectangular cube drawn by using oblique projection. The original cube was projected parallel at a…

An illustration showing the construction used to divide the line AB in the same proportion of parts…

A sample exercise problem in completing the top part of the hexagonal pyramid and to create a development,…

A sample exercise problem to complete the top part and create a stretched out image of the oblique hexagonal…

A pentagonal pyramid problem exercise to complete the top view of the image, and development, or rolled…

The problem exercise in completing the top view and creating the development, or rolled out, image of…

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

"Let OA and OB be the asymptotes and P a point on the curve. Draw PC and PD. Mark any points on Pc;…

"In ordinary work the usual way of rectifying an arc is to step around it with the dividers, in spaces…

"Draw the diagonals of the square. With the corners of the square as centers and radius of half the…

An illustration showing how to construct a regular polygon on a given line without resort to its center.…

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

Make a perpendicular lines at point B and C, and join by a straight line. Create a desired curve by…

"A series of planes as S—S are passed perpendicular to the axis of revolution, cutting out the…

"DE being chosen as an isometric line or axis, a second axis, YY, is drawn isometrically perpendicular…

An illustration showing how to construct a square circumscribed about a circle. "Draw the diameters…

An illustration showing how to construct a square upon a given line. "With AB as radius and A and B…

An illustration showing how to construct a square inscribed in a circle. "Draw the diameter AB, and…

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