Now, let us learn about 3-dimensional shapes that are platonic solids. Prisms are also broadly classified into regular prisms and oblique prisms.The different types of prisms are - triangular prisms, square prisms, pentagonal prisms, hexagonal prisms, and so on.It has the same cross-section all along its length.Some of the characteristics of a prism are: Prisms are solids with identical polygon ends and flat parallelogram sides. A pyramid with the base of a regular hexagon is called a hexagonal pyramid.A pyramid with the base of a pentagon is called a pentagonal pyramid.A pyramid with a quadrilateral base is called a square pyramid.A pyramid with a triangular base is called a Tetrahedron.Based on their apex alignment with the center of the base, they can be classified into regular and oblique pyramids. A torus is a regular ring, shaped like a tire or doughnut.Ī pyramid is a polyhedron with a polygon base and an apex with straight edges and flat faces.It is formed by revolving a smaller circle of radius (r) around a larger circle with a bigger radius (R) in a three-dimensional space. Apart from the height, a cone has a slant height, which is the distance between the apex and any point on the circumference of the circular base of the cone.Ī torus is a 3D shape. A cone in which the apex lies anywhere away from the center of the base is called an oblique cone. A cone in which the apex (or the pointed tip) is perpendicular to the base is called a right circular cone.Based on how the apex is aligned to the center of the base, a right cone or an oblique cone is formed.A cone has a circular or oval base with an apex (vertex).Similar to a cylinder, a cone can also be classified as a right circular cone and an oblique cone. The pointed end at the top of the cone is called 'Apex'. A cylinder in which one base is placed away from another is called an oblique cylinder.Ī cone is another three-dimensional shape (3D shape) that has a flat base (which is of circular shape) and a pointed tip at the top. A cylinder in which both the circular bases lie on the same line is called a right cylinder.It is a three-dimensional object with two identical ends that are either circular or oval.The shape stays the same from the base to the top.Some important features of a cylinder are listed below. The height of a cylinder is the perpendicular distance between the top and bottom faces. CylinderĪ cylinder is a 3D shape that has two circular faces, one at the top and one at the bottom, and one curved surface. The length, width, and height of a cube are the same, while for a cuboid, length, height, and width are different. A cube and a cuboid occupy different volumes and have different surface areas. The main difference between a cube and a cuboid is that in a cube, all its six faces are squares and in a cuboid, all its six faces are rectangles. It is not a polyhedron since it does not have flat faces.Ĭube and cuboid are three-dimensional shapes (3D shapes) that have the same number of faces, vertices, and edges. ![]()
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