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Introduction to 2 dimensional and 3 dimensional shapes Video Lecture - Class 7

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FAQs on Introduction to 2 dimensional and 3 dimensional shapes Video Lecture - Class 7

1. What are 2-dimensional shapes?
Ans. 2-dimensional shapes are flat figures that only have length and width. They are also known as plane figures. Examples of 2-dimensional shapes include squares, triangles, circles, and rectangles.
2. What are 3-dimensional shapes?
Ans. 3-dimensional shapes are figures that have length, width, and height. These shapes are solid and occupy space. Examples of 3-dimensional shapes include cubes, spheres, cones, and cylinders.
3. How are 2-dimensional shapes different from 3-dimensional shapes?
Ans. The main difference between 2-dimensional shapes and 3-dimensional shapes is the presence of height or depth. 2-dimensional shapes are flat and have only length and width, while 3-dimensional shapes are solid and have length, width, and height.
4. How can I identify the number of dimensions a shape has?
Ans. To identify the number of dimensions a shape has, you can observe if the shape is flat or solid. If it is flat and has only length and width, it is a 2-dimensional shape. If it is solid and has length, width, and height, it is a 3-dimensional shape.
5. Are there any real-life examples of 2-dimensional and 3-dimensional shapes?
Ans. Yes, there are real-life examples of both 2-dimensional and 3-dimensional shapes. Examples of 2-dimensional shapes in real life include paintings, photographs, and floor plans. Examples of 3-dimensional shapes include buildings, furniture, and toys.
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