Question

If a right circular cylinder is lying along its length on the surface, it is viewed from the top, which type of 2-D figure will we observe? Options Circle Sphere Rectangle Parallelogram ​

Answer 1

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3D Shapes

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3D shapes are solids that consist of 3 dimensions, namely - length, breadth, and height. 3D in the words 3D shapes means three-dimensional shapes. Every 3D shape occupies some space based on its dimensions and we can see so many 3D shapes all around us in our day-to-day life. Some examples of 3D shapes are cube, cuboid, cone, and cylinder.

3D Shapes Definition

3D shapes are solid shapes or objects that have three dimensions (which are length, width, and height) as opposed to two-dimensional objects which have only a length and a width. Other important terms associated with 3D shapes are faces, edges, and vertices. They have depth and so they occupy some volume. Some 3D shapes have their base and top portions or cross-sections as 2D shapes. For example, a cube has all of its faces in the shape of a square. We will now learn about each 3D shape in detail. 3D shapes are classified into several categories. Some of them have curved surfaces; some are in the shape of pyramids or prisms.

Real-Life Examples of 3D Shapes

In mathematics, we study 3-dimensional objects in the concept of solids and try to apply them in real life. Some real-life examples of 3D shapes are shown below which are a soccer ball, a cube, a bucket, and a book.