Rectangular prisms are six-sided polygons; three-dimensional shapes of which all sides meet at 90-degree angles, like a box. Cubes are a special type of rectangular prism of which all sides are the same length; this is the key difference between cubes and other rectangular prisms.

A rectangular prism has two bases and three faces, while a triangular prism has two bases and four faces. The two bases of a rectangular prism are rectangles, while the two bases of a triangular prism are triangles.

The key difference between cube and cuboid is: a cube has six square-shaped faces of the same size but a cuboid has rectangular faces. Although both cube and cuboid looks the same in structure they have a few different properties based on edge-length, diagonals and faces.

Properties of a Rectangular Prism :

1. A rectangular prism has 8 vertices, 12 sides and 6 rectangular faces.
2. All the opposite faces of a rectangular prism are equal.
3. A rectangular prism has a rectangular cross section.

Right rectangular prisms or cuboids are all around us. A few of the examples are books, boxes, buildings, bricks, boards, doors, containers, cabinets, mobiles, and laptops. Non-examples of right rectangular prism: This shape is a prism but its top and base do not have right angles in the shape.

Rectangular Prisms: Boxes and Tanks Some examples in everyday life include: rectangular tissue boxes, juice boxes, laptop computers, school notebooks and binders, standard birthday presents — such as shirt boxes — cereal boxes and aquariums.

In the same way, a mattress is a rectangular prism. Congruent and parallel rectangular faces make a rectangular prism. A mattress has a rectangular top and bottom. The congruent and parallel rectangular faces make it a rectangular prism.

The net of a rectangular prism consists of six rectangles. Both the bases and the lateral faces of this shape are rectangles. The net of a pentagonal prism consists of two pentagons and five rectangles. The pentagons are the bases of the prism and the rectangles are the lateral faces.

Some of the real-life examples of a triangular prism include triangular roofs, camping tents, Toblerone wrappers, and chocolate candy bars.

Toblerone

Pyramid Examples They can have any shape with three or more sides as their base, including a triangle (triangular pyramid), square (square pyramid) and pentagon (pentagonal pyramid). Examples include: the Great Pyramid of Giza. the roof of a house.

Rubik’s triangle

The formula used to calculate the volume of a triangular pyramid is given as, 1/3 × Base Area × Height. Here, the base area can be found using any of area of triangle formulas depending upon the type of triangular base and known parameters.

In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.

In geometry, a solid that is made up of four triangular faces is called tetrahedron. Also, a pyramid that has its base, triangle in shape is called a triangular pyramid. See the diagram below to understand.

tetrahedron

A “three sided pyramid” is called a tetrahedron.

Despite what you may think about this ancient structure, the Great Pyramid is an eight-sided figure, not a four-sided figure. Each of the pyramid’s four side are evenly split from base to tip by very subtle concave indentations.

Apparently the eight-sides were discovered entirely by accident in 1940 when a British Air Force Pilot, P. Groves, flew over the pyramid and realised the concavity, taking a picture that is now famous among those who are into this sort of thing.

octagonal pyramid

A triangle-based pyramid has four triangular sides. The base can be any shape or size of triangle but usually it is an equilateral triangle (all sides are the same). This means the three sides of the pyramid are the same size as each other and the pyramid looks the same if you rotate it.

A pyramid with an n-sided base has n + 1 vertices, n + 1 faces, and 2n edges. All pyramids are self-dual. A right pyramid has its apex directly above the centroid of its base….Pyramid (geometry)

A pyramid is a shape that can fit all shapes inside of it (triangle, square, rectangle, etc.). In geometry, a pyramid is also called a polyhedron. The interesting thing about a pyramid is that each of its sides (each base edge and its apex) form a triangle.

pentagonal pyramid

Explore & Play with Pyramids The base of the pyramid is a triangle, and the lateral faces are also triangles.