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  Hi all, hope you are doing well. Mathematics is an interesting area, It's fun to dive into it. Let's start today's topic. SHAPES What is a shape? SHAPE is the outline of something. The shapes are closed by outline made by points, line segments or curved lines. we can see different objects in our daily life are in different shapes such as birthday cap, ruler, photo frame, wall clock etc In this figure we can see basic shapes such as circle, square, triangle, Rectangle etc. A closed figure or closed shape can be defined as any geometric shape which starts and ends at the same point to form a boundary by line segments or by curves.  Shapes shown in the above picture are closed figures. Open figures are incomplete shapes.  An open figure’s starting and endpoints are different. Classification of shapes Depend upon its  regularity or uniformity shapes are divided into two 1. Regular shapes  2.Irregular shapes A  regular shape  is usually symmetrical . E...

 How are you? Hope you doing well.. Today we learn about  3D shapes.             Have you gone through the previous blog about 2D shapes ? If do go through it, It's very interesting and helps you to better understand 2D shapes by clicking here Triangle to Icosagon (2D shapes). Here we are going to see about 3D shapes. Here 3D stands for three-dimensional. 3D shapes have three different measurements such as length, width and height as its dimensions. 3D shapes have depth, thickness, and volume but 2D shapes have not. The faces of the 3D shapes are 2d shapes. Depending  on the type of surface, 3D shapes are categorized into two 1. Curved shaped solid  2. Straight sided polygon or polyhedrons Curved shaped solids 3D shapes that have curved surfaces are called curved solids examples are 1. Sphere 2. Cone 3. cylinder Straight sided polygon or polyhedrons 3D shapes with straight sides are called straight-sided polygons. They are also known as ...