### Circle With Inscribed and Circumscribed Quadrilaterals

Illustration showing a circle with an inscribed and circumscribed quadrilateral.

### 3 Square Inscribed In A Dodecagon

Illustration of 3 squares inscribed in an regular dodecagon. Each vertex of the dodecagon is also a…

### Square Circumscribed About A Dodecagon

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

### Square Inscribed In A Dodecagon

Illustration of a square inscribed in an regular dodecagon. This could also be described as a regular…

### Squares Inscribed and Circumscribed About a Regular Dodecagon

Illustration of 2 squares; one inscribed in a regular dodecagon and the other circumscribed about the…

### Drawing Rectangles

A triangle and a T-square can be used in conjunction to draw a rectangle.

### Similar Figures

2 rectangles that are similar figures

### Fraction Boxes

Numbered boxes that are used for fractions. Fraction boxes within can be referred by the letter corners.…

### Construction Of A Golden Rectangle

Illustration showing the construction of a golden rectangle. Beginning with a unit square, a line is…

### Area of a Parallelogram

Illustration of parallelogram AEFC drawn two different ways with base b and altitude/height a used to…

### Decagonal Prism

Illustration of a decagonal prism with regular decagons for bases and rectangular faces. The hidden…

### Decagonal Prism

Illustration of a right decagonal prism with regular decagons for bases and rectangular faces.

### Decagonal Prism Resting On Its Side

Illustration of a right decagonal prism with regular decagons for bases and rectangular faces. The prism…

### Swimming Pool Shaped Like A Decagonal Prism

Illustration of a swimming pool and water hose that is in the shape of a hollow regular decagonal prism…

### Heptagonal/Septagonal Prism

Illustration of a hollow right heptagonal/septagonal prism with regular heptagons/septagons for bases…

### Heptagonal/Septagonal Prism

Illustration of a regular right heptagonal/septagonal prism with regular heptagons/septagons for bases…

### Heptagonal/Septagonal Prism

Illustration of a right heptagonal/septagonal prism with regular heptagons/septagons for bases and rectangular…

### Heptagonal/Septagonal Prism

Illustration of a right heptagonal/septagonal prism with regular heptagons/septagons for bases and rectangular…

### Hexagonal Prism

Illustration of a right hexagonal prism.

### Hexagonal Prism

Illustration of a right hexagonal prism with hidden edges shown.

### Hexagonal Prism

Illustration of a right hexagonal prism with a height less than the length of the edge of the hexagon.

### Hexagonal Prism

Illustration of a right hexagonal prism with a height greater than the length of the edge of the hexagon.

### Hexagonal Prism

Illustration of a right hexagonal prism with hexagons for bases and square faces.

### Hexagonal Prism

Illustration of a right hexagonal prism with hexagons for bases and square faces. The hidden edges are…

### Hexagonal Prism

Illustration of a right hexagonal prism with hexagons for bases and rectangular faces. The height of…

### Nonagonal Prism

Illustration of a right nonagonal prism with regular nonagons for bases and rectangular faces. The hidden…

### Nonagonal Prism

Illustration of a right nonagonal prism with regular nonagons for bases and rectangular faces. The height…

### Octagonal Prism

Illustration of a right octagonal prism with regular octagons for bases and rectangular faces. The hidden…

### Octagonal Prism

Illustration of a right octagonal prism with regular octagons for bases and rectangular faces. The height…

### Octagonal Prism

Illustration of a right octagonal prism with octagons for bases and rectangular faces. The height of…

### Octagonal Prism Resting On Side

Illustration of a right octagonal prism, with octagons for bases and rectangular faces, that is resting…

### Pentagonal Prism

Illustration of a right pentagonal prism with regular pentagons for bases and rectangular faces. The…

### Pentagonal Prism

Illustration of a right pentagonal prism with regular pentagons for bases and rectangular faces. The…

### Pentagonal Prism

Illustration of a right pentagonal prism with regular pentagons for bases and rectangular faces. The…

### Pentagonal Prism

Illustration of a right pentagonal prism with regular pentagons for bases and rectangular faces. The…

### Right Rectangular Prism

Illustration of a right rectangular prism with the height greater than the length and width. The bases…

### Right Rectangular Prism

Illustration of a right rectangular prism. The bases are congruent rectangles and the opposite faces…

### Right Rectangular Prism

Illustration of a right rectangular prism that is viewed at an angle. The bases are congruent rectangles…

### Right Rectangular Prism

Illustration of a right rectangular prism that is viewed at an angle. The bases are congruent rectangles…

### Right Rectangular Prism

Illustration of a right rectangular prism. The bases are congruent rectangles and the opposite faces…

### Right Rectangular Prism

Illustration of a right rectangular prism with the height greater than the length and width. The bases…

### Star-Shaped Decagonal Prism

Illustration of a non-regular decagonal prism in the shape of a star. Then ends/bases are made of star-shaped…

### Star-Shaped Decagonal Prism

Illustration of a non-regular decagonal prism in the shape of a star. Then ends/bases are made of star-shaped…

### Star-Shaped Decagonal Prism

Side view of a non-regular decagonal prism in the shape of a star. Then ends/bases are made of star-shaped…

### 2 Octagonal Prisms

Illustration of 2 right octagonal prisms with congruent bases, but different heights. The height of…

### 2 Rectangular Prisms

Illustration of 2 right rectangular prisms. The bases are congruent, but the height of the smaller prism…

### 2 Rectangular Prisms

Illustration of 2 right rectangular prisms. The bases are congruent, but the height of the smaller prism…

### 2 Similar Octagonal Prisms

Illustration of 2 Similar right octagonal prisms. The height and length of the edges of the smaller…

### 4 Congruent Rectangular Prisms

Illustration of 4 congruent rectangular prisms placed in the shape of a square. They are arranged to…

### 4 Hexagonal Prisms

A cluster of 4 right hexagonal prisms with congruent bases, but varying heights.

### Similar Decagonal Prisms

Illustration of 2 similar right decagonal prisms. Both have regular decagons for bases and rectangular…

### Similar Heptagonal/Septagonal Prisms

Illustration of 2 similar right heptagonal/septagonal prisms. Both have regular heptagons/septagons…

### Similar Hexagonal Prisms

Illustration of 2 similar right hexagonal prisms. The height of the prism and length of the side of…

### Similar Hexagonal Prisms

Illustration of 2 similar right hexagonal prisms. The height of the prism and length of the side of…

### Skewed Rectangular Pyramid

Illustration of a non-right, or skewed, rectangular pyramid with hidden edges shown. The base is a rectangle…

### Rectangle

A rectangle is a parallelogram whose angles are all right angles.

### Area of a Rectangle

Rectangle divided into squares to demonstrate area.

### Circle Inside Rectangle

Illustration of a circle inside of a rectangle. The two figures have the same center.

### Rectangle With Diagonals

Illustration to show that if the diagonals of a parallelogram are equal, the figure is a rectangle.

### Divided Rectangle

A rectangle divided evenly by a dotted line.