### Pentagonal Antiprism

Illustration of a pentagonal antiprism. An antiprism is formed by having two parallel congruent bases…

### Pentagonal Antiprism

Illustration of a pentagonal antiprism. An antiprism is formed by having two parallel congruent bases…

### Pentagonal Antiprism

Illustration of a pentagonal antiprism. An antiprism is formed by having two parallel congruent bases…

### Pentagonal Antiprism

Illustration of a pentagonal antiprism. An antiprism is formed by having two parallel congruent bases…

### Skewed Pentagonal Antiprism

Illustration of a skewed (non-right) pentagonal antiprism. An antiprism is formed by having two parallel…

### Pentagonal Bipyramid

Illustration of a pentagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

### Pentagonal Bipyramid

Illustration of a pentagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

### Pentagon Inscribed in Circle

Illustration of pentagon inscribed in circle. Or, circle circumscribed about pentagon.

Illustration of polygon circumscribed about circle. Or, circle inscribed in the polygon.

### Polygon Inscribed in Circle

Illustration of polygon inscribed in circle. Or, circle circumscribed about the polygon.

### Cylinder Inscribed in Pentagonal Prism

Right circular cylinder inscribed in a pentagonal prism. Or, Pentagonal prism circumscribed about a…

### Prism inscribed in Cylinder

Illustration of a pentagonal prism inscribed in a cylinder.

### Similar Figures

2 pentagons that are similar figures

### Flashcard of a polygon with five equal sides

A flashcard featuring an illustration of a polygon with five equal sides

### Flashcard of a Pyramid with a Pentagonal Base

A flashcard featuring an illustration of a Pyramid with a Pentagonal Base

### Hexagon Inscribed in Circle by Construction

Illustration of regular hexagon and triangle inscribed in circle.

### Icosahedron

Illustration of an icosahedron.

### Part of an Icosahedron

Illustration of the bottom part of an icosahedron. The base consists of a regular pyramid, upon which…

### Partial Construction of an Icosahedron

Illustration of the steps to a construction of an icosahedron. The base consists of a regular pyramid,…

### Pentagon

"A polygon of five sides." -—Hallock 1905

### Construction Of A Pentagon On A Line

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

### Pentagon Inscribed & Circumscribed in Circles

Regular pentagon inscribed in a circle, circumscribed about a circle.

### Pentagon Constructed to be Similar to Given Pentagons

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

### Construction of Regular Pentagon

Illustration used to construct a regular pentagon on a given line.

### Cyclic Pentagon

Illustration of a cyclic pentagon, a pentagon inscribed in a circle. This can also be described as a…

### Pentagon Inscribed in Circle by Construction

Illustration of pentagon inscribed in circle. Or, circle circumscribed about pentagon. Construction…

### Involute of Pentagon

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

### Irregular Concave Pentagon

Illustration of an irregular pentagon. This is also an example of a concave polygon with symmetry.

### Irregular Concave Pentagon

Illustration of an irregular concave pentagon.

### Irregular Convex Pentagon

Illustration of an irregular pentagon. This is also an example of a convex polygon with symmetry.

### Irregular Convex Pentagon

Illustration of an irregular pentagon. This is also an example of a convex polygon with symmetry.

### Irregular Convex Pentagon

Illustration of an irregular convex pentagon.

### Regular Pentagon With Circle Inscribed

Illustration showing a circle inscribed in a regular pentagon. Or, a regular pentagon circumscribed…

### Pentagon With Triangular Sections For Area

Pentagon with dimensions labeled. Pentagon can be used to calculate area by calculating individual triangles…

### Pentagonal Dodecahedron

"This is bounded by twelve pentagonal faces, but these are not regular pentagons, and the angles over…

### Frustum of Pentagonal Pyramid

Illustration of a frustum of a pentagonal pyramid (including cross-section).

### Frustum Of A Pentagonal Pyramid

Illustration of a right pentagonal pyramid that has been cut by a plane parallel to the base. The top…

### Frustum Of A Pentagonal Pyramid

Illustration of a hollow pentagonal pyramid that has been cut by a plane parallel to the base. The top…

### Frustum Of A Pentagonal Pyramid

Illustration of a right pentagonal pyramid, with a height much larger than the edge lengths of the base,…

### Frustum Of A Pentagonal Pyramid

Illustration of a right pentagonal pyramid, with a height smaller than the edge lengths of the base,…

### Frustum Of A Pentagonal Pyramid

Illustration of a hollow pentagonal pyramid that has been cut by a plane parallel to the base. The top…

### Frustum Of A Skewed Pentagonal Pyramid

Illustration of a skewed pentagonal pyramid that has been cut by a plane parallel to the base. The top…

### 2 Concentric Pentagons

Illustration of 2 concentric pentagons.

### 2 Concentric Pentagons

Illustration of 2 concentric pentagons.

### 2 Congruent Rotated Pentagons

Illustration of 2 regular congruent pentagons that have the same center. One pentagon has been rotated…

### 3 Concentric Pentagons

Illustration of 3 concentric pentagons that are equally spaced.

### 4 Concentric Pentagons

Illustration of 4 concentric pentagons that are equally spaced.

### 4 Congruent Rotated Pentagons

Illustration of 4 regular congruent pentagons that have the same center. Each pentagon has been rotated…

### 8 Congruent Rotated Pentagons

Illustration of 8 regular congruent pentagons that have the same center. Each pentagon has been rotated…

### Congruent Pentagons

Illustration showing two congruent pentagons.

### Similar Pentagons

Illustration of 2 similar pentagons.

### Similar Pentagons

Illustration of 2 similar pentagons.

### 5-sided Polygon

Polygon consisting of 5 sides

### Crossed Polygon

Illustration of crossed polygon. This is not generally considered to be a real polygon.

### Fractions of 5-sided Polygon

1/5 of a 5 sided polygon

### Fractions of 5-sided Polygon

2/5 of a 5 sided polygon

### Fractions of 5-sided Polygon

3/5 of a 5 sided polygon

### Fractions of 5-sided Polygon

4/5 of a 5 sided polygon

### Fractions of 5-sided Polygon

5/5 of a 5 sided polygon

### Exterior Angles of Polygons

Illustration of a polygon with exterior angles drawn.