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What are shapes? Video Lecture | Mathematics for Class 4: NCERT

21 videos|84 docs|40 tests

FAQs on What are shapes? Video Lecture - Mathematics for Class 4: NCERT

1. What are the different types of shapes?
Ans. There are several different types of shapes, including circles, squares, triangles, rectangles, and polygons. Each shape has its own unique characteristics and properties.
2. How are shapes classified?
Ans. Shapes are classified based on their attributes and characteristics. They can be classified as 2D or 3D shapes, regular or irregular shapes, and convex or concave shapes.
3. What is the difference between 2D and 3D shapes?
Ans. 2D shapes, also known as flat shapes, only have two dimensions - length and width. They are represented on a plane surface. On the other hand, 3D shapes have three dimensions - length, width, and height. They are solid and can be held in your hand.
4. What are some examples of polygons?
Ans. Polygons are closed figures with straight sides. Some examples of polygons include triangles, rectangles, squares, pentagons, hexagons, and octagons.
5. How can understanding shapes be useful in real life?
Ans. Understanding shapes is useful in various real-life scenarios. For example, architects use shapes to design buildings, engineers use shapes to create structures, and artists use shapes to create visual compositions. Additionally, understanding shapes helps with spatial reasoning and problem-solving skills.
21 videos|84 docs|40 tests
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