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Learning: Three dimensional Shapes - 2 Video Lecture | Mathematics & Pedagogy Paper 2 for CTET & TET Exams - CTET & State TET

FAQs on Learning: Three dimensional Shapes - 2 Video Lecture - Mathematics & Pedagogy Paper 2 for CTET & TET Exams - CTET & State TET

1. What are three-dimensional shapes?
Ans. Three-dimensional shapes, also known as 3D shapes, are objects that have three dimensions - length, width, and height. These shapes exist in physical space and can be seen and touched from different angles.
2. How are three-dimensional shapes different from two-dimensional shapes?
Ans. Three-dimensional shapes have volume and depth, while two-dimensional shapes are flat and have only length and width. Three-dimensional shapes can be measured in cubic units, whereas two-dimensional shapes are measured in square units.
3. What are some examples of three-dimensional shapes?
Ans. Some examples of three-dimensional shapes include cubes, spheres, cylinders, cones, pyramids, and prisms. These shapes can be found in everyday objects such as dice, basketballs, cans, ice cream cones, and buildings.
4. How do you calculate the surface area of a three-dimensional shape?
Ans. The surface area of a three-dimensional shape is the total area of all its surfaces. To calculate the surface area, you need to find the area of each individual face of the shape and then add them together. The formula for surface area varies depending on the shape. For example, the surface area of a cube is 6 times the area of one face, while the surface area of a cylinder is the sum of the areas of its two circular bases and its curved surface.
5. How can three-dimensional shapes be useful in real life?
Ans. Three-dimensional shapes are used in various fields and industries. Architects use three-dimensional shapes to design and construct buildings. Engineers use them to create models of machines and structures. Artists use them to create sculptures. Three-dimensional shapes are also important in fields like computer graphics, manufacturing, and product design.
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