Class 8 Exam > Class 8 Videos > Mathematics (Maths) Class 8 > Surface Area of Common 3D Shapes
Surface Area of Common 3D Shapes Video Lecture | Mathematics (Maths) Class 8
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FAQs on Surface Area of Common 3D Shapes Video Lecture - Mathematics (Maths) Class 8
| 1. What is surface area in relation to 3D shapes? |  |
Ans. Surface area is the total area that covers the surface of a 3D shape. It is the sum of all the areas of the shape's faces.
| 2. How is surface area calculated for common 3D shapes? | |
Ans. The surface area of common 3D shapes can be calculated using specific formulas for each shape. For example, the surface area of a cube is calculated by finding the area of one face and then multiplying it by 6.
| 3. Why is it important to calculate the surface area of 3D shapes? | |
Ans. Calculating the surface area of 3D shapes is important in various real-life applications such as architecture, engineering, and manufacturing. It helps in determining the amount of material needed to construct a shape or the amount of paint required to cover it.
| 4. Can surface area be calculated for irregular 3D shapes? | |
Ans. Yes, surface area can be calculated for irregular 3D shapes by breaking them down into smaller, more manageable shapes with known formulas. The surface area of each smaller shape is then calculated and added together to find the total surface area of the irregular shape.
| 5. How does surface area differ from volume in 3D shapes? | |
Ans. Surface area measures the total area of the outer surface of a 3D shape, while volume measures the amount of space enclosed by the shape. Surface area is measured in square units, while volume is measured in cubic units.
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Dec 22, 2024 Last updated |
Video Description: Surface Area of Common 3D Shapes for Class 8 2024 is part of Mathematics (Maths) Class 8 preparation.
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