Draw Polygon
Draw the plan and elevation of a polygon of which the real shape and position in a given plane are known.
Buttress of Blocks
Uniting the theories of partial polygons of resistance and centres and lines of resistance, this buttress…
!["A polygon of...six sides a [is] a hexagon." —Hallock 1905](https://etc.usf.edu/clipart/36100/36136/hexagon_36136_mth.gif)
!["A polygon of...seven sides [is] a heptagon." —Hallock 1905](https://etc.usf.edu/clipart/36100/36137/heptagon_36137_mth.gif)
!["A polygon of...eight sides [is] an octagon." —Hallock 1905](https://etc.usf.edu/clipart/36100/36138/octagon_36138_mth.gif)
!["A polygon of...twelve sides is [a] dodecagon." —Hallock 1905](https://etc.usf.edu/clipart/36100/36140/dodecagon_36140_mth.gif)
Pryamid
"A pyramid is a solid whose base is a polygon, and whose sides are triangles uniting at a common point,…
Polygon Inscribed in Circle
Illustration of polygon inscribed in circle. Or, circle circumscribed about the polygon.
Polygon Circumscribed About Circle
Illustration of polygon circumscribed about circle. Or, circle inscribed in the polygon.
Prismatoid With Triangular Faces
An illustration of a prismatoid with triangular faces and points labeled.
