### Geometric Solid with Circular Base

An illustration of a prismatoid with circular base.

### Irregular Concave Heptagon

Illustration of an irregular concave heptagon.

### Irregular Convex Heptagon

Illustration of an irregular convex heptagon. This polygon has some symmetry.

### Irregular Convex Heptagon

Illustration of an irregular convex heptagon. This polygon has some symmetry.

### Irregular Convex Heptagon

Illustration of an irregular convex heptagon. This polygon has some symmetry.

### Irregular Convex Heptagon

Illustration of an irregular convex heptagon. This polygon has some symmetry.

### Irregular Convex Heptagon

Illustration of an irregular convex heptagon.

### Concave Equilateral Hexagon

Illustration of a concave equilateral hexagon.

### Cyclic Hexagon

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

### Cyclic Hexagon

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

### Irregular Concave Hexagon

Illustration of an irregular hexagon. This is also an example of a concave polygon.

### Irregular Concave Hexagon

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

### Irregular Concave Hexagon

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

### Irregular Concave Hexagon

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

### Irregular Convex Hexagon

Illustration of an irregular convex hexagon.

### Irregular Convex Hexagon

Illustration of an irregular convex hexagon with symmetry.

### Regular Hexagon With Segments

Illustration of a regular hexagon with each side divided into thirds by line segments extended to the…

### 2 Concentric Hexagons

Illustration of 2 regular concentric hexagons.

### 2 Concentric Hexagons

Illustration of 2 regular concentric hexagons.

### 2 Concentric Hexagons With Tangent Circles

Illustration of 2 regular concentric hexagons with 6 congruent circles placed between the hexagons so…

### 3 Concentric Hexagons

Illustration of 3 regular concentric hexagons that are equally spaced.

### 4 Concentric Hexagons

Illustration of 4 regular concentric hexagons that are equally spaced.

### Irregular Concave Nonagon

Illustration of a nonregular/irregular convcave nonagon. A nonagon is a closed geometric figure with…

### Irregular Concave Nonagon

Illustration of a nonregular/irregular convcave nonagon. A nonagon is a closed geometric figure with…

### Irregular Concave Nonagon

Illustration of a nonregular/irregular convcave nonagon. A nonagon is a closed geometric figure with…

### Irregular Convex Nonagon

Illustration of a nonregular/irregular convex nonagon. A nonagon is a closed geometric figure with 9…

### Irregular Convex Nonagon

Illustration of a nonregular/irregular convex nonagon. A nonagon is a closed geometric figure with 9…

### Regular Nonagon

Illustration of a regular nonagon. A nonagon is a closed geometric figure with 9 sides. A regular nonagon…

### 2 Concentric Nonagons

Illustration of 2 regular concentric nonagons.

### 2 Concentric Nonagons

Illustration of 2 regular concentric nonagons.

### 2 Congruent Rotated Nonagons

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

### 3 Concentric Nonagons

Illustration of 3 regular concentric nonagons that are equally spaced.

### 4 Concentric Nonagons

Illustration of 4 regular concentric nonagons that are equally spaced.

### Octagon Circumscribed About a Square

Illustration of a regular octagon circumscribed about a square. This could also be described as a square…

### Concave Equilateral Octagon

Illustration of a concave equilateral octagon.

### Irregular Concave Octagon

Illustration of an irregular concave octagon. This polygon has some symmetry.

### Irregular Concave Octagon

Illustration of an irregular concave octagon.

### Irregular Concave Octagon

Illustration of an irregular concave octagon. This polygon has some symmetry.

### Irregular Concave Octagon

Illustration of an irregular concave octagon. This polygon has some symmetry.

### Irregular Convex Octagon

Illustration of an irregular convex octagon. This polygon has some symmetry.

### Irregular Convex Octagon

Illustration of an irregular convex octagon. This polygon has some symmetry.

### Irregular Convex Octagon

Illustration of an irregular convex octagon.

### Irregular Convex Octagon

Illustration of an irregular convex octagon. This polygon has some symmetry.

### Irregular Convex Octagon

Illustration of an irregular convex octagon. This polygon has some symmetry.

### 2 Concentric Octagons

Illustration of 2 regular concentric octagons.

### 2 Concentric Octagons

Illustration of 2 regular concentric octagons.

### 3 Concentric Octagons

Illustration of 3 regular concentric octagons that are equally spaced.

### 4 Concentric Octagons

Illustration of 4 regular concentric octagons that are equally spaced.

### Cyclic Pentagon

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

### 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.

### Crossed Polygon

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

### Crossed Polygon

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

### Crossed Polygon

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

### Crossed Polygon

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

### Irregular Convex Polygon

Illustration of an irregular convex polygon with 16 sides that has symmetry. It could be used to show…

### Prismatoid With 2 Circular Bases

An illustration of a prismatoid with 2 circular bases.