### 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…

### Representation of Algebraic Product of (x+y)(x+y)

An geometric illustration of the algebraic product of (x+y)(x+y).

### Inverted Rectangular Pyramid

Illustration of a hollow right rectangular pyramid. The base is a rectangle and the faces are isosceles…

### Rectangular Pyramid

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

### Rectangular Pyramid

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

### Rectangular Pyramid

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

### Rectangular Pyramid

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

### Skewed Rectangular Pyramid

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

### 2 Right Rectangular Pyramids

Illustration of 2 right rectangular pyramids with hidden edges shown. The rectangular bases are congruent,…

### Quadrilaterals With Lines Joining Midpoints

Illustrations to show quadrilaterals with lines joining the midpoints of the sides of any quadrilateral,…

### Rectangle

Rectangle with angles labeled. Parallelogram with right angles.

### Rectangle

Illustration of a rectangle, which is a parallelogram with all angles right angles.

### Rectangle

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

### Rectangle

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

### Rectangle

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

### Rectangle

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

### Area of a Rectangle

Rectangle divided into squares to demonstrate area.

### Rectangle With Area Squares

Rectangle with squares to show area.

### Rectangle With Diagonals

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

### Rectangle With Dimensions

Rectangle with dimensions labeled. Rectangle can be used to calculate area.

### Divided Rectangle

A rectangle divided evenly by a dotted line.

### Rectangle Divided Into 7 sections

Rectangle divided into 7 sections.

### Rectangle Divided Into 4 sections

Rectangle divided into 4 sections.

### Rectangle Formed When Two Parallel Lines are Cut by a Transversal

Illustrations to show that if two parallel lines are cut by a transversal, the bisectors of the interior…

### Rectangle with Lengths a and b with Area ab

An illustration of a rectangle with lengths a and b and area ab.

### Rectangle with Lengths a, b, and c with Areas ac and bc

An illustration of composite rectangle with lengths a, b, and c with area ac + bc. This illustration…

### Rectangular Pyramid Cut By Plane

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

### Rectangular Pyramid Cut By Plane

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

### Rectangular Pyramid Cut By Plane

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

### Rectangular Pyramid Cut By Plane

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

### Development of Rectangular Pyramid

The illustration of a rectangular pyramid unfolded by creating edges equal length to the base and meeting…

### Frustum Of A Rectangular Pyramid

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

### Frustum Of A Rectangular Pyramid

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

### Frustum Of A Rectangular Pyramid

Illustration of a right hollow rectangular pyramid that has been cut by a plane parallel to the base.…

### Frustum Of A Rectangular Pyramid

Illustration of a right hollow rectangular pyramid that has been cut by a plane parallel to the base.…

### Popcorn Box Frustum Of A Rectangular Pyramid

Popcorn box that is in the shape of a frustum of a rectangular pyramid.

### Rectangular Sap

In military affairs, a narrow ditch or trench by which approach is made to a fortress or designed place…

### Shapes

Four different types of forms or shapes: right triangle, isosceles triangle, rectangle, and circle.

### Sheraton Chair 2

A style of chair designed by Thomas Sheraton. This chair takes on a rectangular back.

### Rectangular Solid

An illustration of a rectangular solid/prism.

### Square

Square with angles labeled. A rectangle with four equal sides.

### Square

Illustration of a square, a rectangle with all sides equal.

### Divided Square

A square divided evenly by a dotted line.

### Divided Square

A square divided evenly by a dotted line, known as the diagonal.

### Folding Square

A T-shaped or L-shaped instrument for drawing or testing right angles.

### Square Inscribed In A Square

Illustration of a square inscribed in a square. The interior square is rotated 45° in relation to…

### 12 Congruent Rotated Squares

Illustration of 12 congruent squares that have the same center. Each square has been rotated 7.5°…

### 16 Congruent Rotated Squares

Illustration of 16 congruent squares that have the same center. Each square has been rotated 5.625°…

### 2 Concentric Squares

Illustration of 2 concentric squares whose vertices are connected by line segments.

### 2 Concentric Squares

Illustration of 2 concentric squares.

### 2 Concentric Squares

Illustration of 2 concentric squares.

### 2 Congruent Rotated Squares

Illustration of 2 congruent squares that have the same center. One square has been rotated 45° in…

### 3 Concentric Squares

Illustration of 3 concentric squares that are equally spaced.

### 3 Congruent Rotated Squares

Illustration of 3 congruent squares that have the same center. Each square has been rotated 30°…

### 4 Concentric Squares

Illustration of 4 concentric squares that are equally spaced.

### 4 Congruent Rotated Squares

Illustration of 4 congruent squares that have the same center. Each square has been rotated 22.5°…