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…
Equal Prisms
Illustration showing two prisms are equal if the three faces which include a trihedral angle of the…
Oblique Prism Truncated Into 3 Sections
Illustration of an oblique prism constructed by the combination of three truncated prisms.
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…
Two Equal Prisms
Diagram used to prove the theorem: "Two prisms are equal when the three faces about a trihedral of one…
Comparative Volumes Of A Pyramid And Prism
Illustration used to compare the volumes of a pyramid and a prism by emptying sand from the pyramid…
Development Exercise of Hexagonal Pyramid
A sample exercise problem in completing the top part of the hexagonal pyramid and to create a development,…
Development Exercise of Oblique Hexagonal Pyramid
A sample exercise problem to complete the top part and create a stretched out image of the oblique hexagonal…
Development Exercise of Pentagonal Pyramid
A pentagonal pyramid problem exercise to complete the top view of the image, and development, or rolled…
Development Exercise of Pentagonal Pyramid
The problem exercise in completing the top view and creating the development, or rolled out, image of…
Isometric of Oblique Pentagonal Pyramid
Illustration of the isometric of an oblique pentagonal pyramid.
Triangular Pyramid For Volume
Illustration of triangular pyramid used to show that the volume is the limit of the sum of the volumes…
Development Of Rectangular Prism
Illustration of the development of a rectangular prism. "Assume now that the prism is laid on the drawing…
Projection Of Rectangular Prism
Illustration of the projection of a rectangular prism that is represented as if it were standing on…
Projection Of Rectangular Prism
Illustration of the projection of a rectangular prism whose broad side makes an angle of 30° with…
Projection Of Rectangular Prism
Illustration of the projection of a rectangular prism whose base makes an angle of 160° with the…
Projection Of Rectangular Prism
Illustration of the projection of a rectangular prism whose base makes an angle of 17.5° with the…
Volume Of A Rectangular Solid
Illustration of a 5 in. by 3 in. by 4 in. rectangular solid with each cube in the solid representing…
Similar Rectangular Solids
Illustration of a 1 in. by 2 in. by 1 in. rectangular solid that is similar to a 2 in. by 4 in. by 2…
Oblique View Of Rectangular Solid
Illustration of an oblique view of a rectangular solid/prism at 30°.
Oblique View Of Rectangular Solid
Illustration of an oblique view of a rectangular solid/prism at 45°.
Oblique View Of Rectangular Solid
Illustration of an oblique view of a rectangular solid/prism at 60°.
Combination of Geometric Solids
Illustration of model created by combining non regular geometric solids.
Direct Vision Spectroscope
"...an instrument which gives a spectrum when the source of the light is in a straight line with the…
Projection of Square Bar With Cylindrical Portion
Projection of a square bar with a cylindrical portion.
Isometric of Stairs
Illustration of stairs; 3-dimensional view of 4 steps. The staircase can be created by combining/stacking…
Development Exercise of Cylinder using Three Piece Elbow
The exercise problem of creating a three piece elbow development or rolled out image of the cylinder…
Projections of Triangular Prism With Hole
Projections of a triangular prism or block with a square hole.
Volume of Triangular Prism
Diagram used to prove the theorem: "The volume of a triangular prism is equal to the product of its…
Parallelopiped Divided Into Triangular Prisms
Diagram used to prove the theorem: "The plane passed through two diagonally opposite edges of a parallelopiped…
Development Exercise of Triangular Pyramid
Exercise problem to develop, or rolled out, image of the triangular pyramid by creating an equal length…
Volume of Triangular Pyramid
Diagram used to prove the theorem: "The volume of a triangular pyramid is equal to one third of a triangular…
Projection Of Wedge
Illustration of the projection of a wedge of a rectangular prism that is standing on one of its triangular…
Projection Of Wedge
Illustration of the projection of a wedge of a rectangular prism that is standing on one of its rectangular…
Projection Of Wedge
Illustration of the projection of a wedge of a rectangular prism that is viewed from the side.