Construction Of Line Equal To Arc
Illustration used to show how to find a straight line of the same length as a given arc of a circle.
Midpoint of Straight Line Drawn From an Exterior point to Circumference
Illustration showing a line with a midpoint drawn from a given exterior point to a given circumference.
Straight Line Moving to Two circles
Illustration showing a line that remains parallel to a given line, and touches at one end a given circumference.
Circle Made by Ends of a Line Touching Two Fixed Lines Perpendicular to Each Other
Illustration showing a line that moves so that its ends constantly touch two fixed lines which are perpendicular…
Medieval Tile Pattern
This Medieval Tile circle pattern is a stained glass design. It the oldest process of fitting together…
Medieval Tile Pattern
This medieval tile pattern is a stained glass design. It the oldest process of fitting together pieces…
Circle Inscribed in a Nonagon
Illustration of a circle inscribed in a regular nonagon. This could also be described as a regular nonagon…
Oblique Cone by Triangulation Connecting to Two Parallel Pipes of Different Diameters
"An oblique cone connecting two parallel pipes of different diameters... the true size of the base is…
Development of Oblique Cone by Triangulation
A development or rolled out oblique cone using triangulation. The method of triangulation is done by…
Development Exercise of Octagonal Roof and True Shape of Rafter
Problem exercise in drawing a development or a stretchout image of the octagonal roof and finding the…
Octant of Wave Surface
the octant of the wave surface cuts each coordinate plane in a circle and an ellipse.
Lines of Symmetry, Oval With
Oval with dotted vertical and horizontal lines that are lines of symmetry.
Construction Of A Pentagon Inscribed In A Circle
An illustration showing how to construct a pentagon inscribed in a circle. "Draw the diameter AB, and…
Construction Of A Pentagon On A Line
An illustration showing how to construct a pentagon on a given line. "From B erect BC perpendicular…
Pentagon Inscribed & Circumscribed in Circles
Regular pentagon inscribed in a circle, circumscribed about a circle.
Cyclic Pentagon
Illustration of a cyclic pentagon, a pentagon inscribed in a circle. This can also be described as a…
Golden Ratio In A Pentagon
Illustration showing how the golden ratio in a regular pentagon (inscribed in a circle) can be found…
Pentagon Inscribed in Circle by Construction
Illustration of pentagon inscribed in circle. Or, circle circumscribed about pentagon. Construction…
Regular Pentagon With Circle Inscribed
Illustration showing a circle inscribed in a regular pentagon. Or, a regular pentagon circumscribed…
Circle With 2 Perpendicular Diameters
Illustration of a circle with center O and diameters AB and CD perpendicular to each other.
