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What are the different terms in solid mensuration?
1. Plane Figures- A flat, closed figure that is in a plane- A plane figure can be made of straight lines, curved lines, or both straight and curved lines.2. Solid Figures- The figures which occupy space are called solids.- Solids are three dimensional figures i.e., they have length, breadth & height.- There are two important facts related to solids-a. Every solid has a surface area. Some solids have plane surfaces, others have curved surfaces.b. Every solid has a 'bulk' & its bulk occupies some space.3. Surface area-It is the sum of areas of all visible (exposed) surfaces of a solid.4. Volume-It is the three dimensional space occupied by a solid, liquid or gas.5. Lateral surface area - is the sum of the surface areas of all its faces excluding the base.6. Total surface area - is the sum of the surface areas of all its faces including the base.
What solid figure rolls and slides?
A cylinder is a solid figure that can both roll and slide. Its shape and symmetry allows it to roll smoothly along a surface, and its circular base provides stability for sliding. Both of these properties make it suitable for applications such as wheels and rollers.
If the surface of a concave mirror is made more curved what happens to its focal length?
A concave mirror is a spherical mirror with a reflective inside surface. When the reflective surface is made more curved, the distance between the focal point and the surface increases. A concave mirror can form both virtual or real images.
Do you count base as one of the faces in a 3d object. Do we also count curved surface as one of the face?
Yes, to both.Yes, to both.Yes, to both.Yes, to both.
What is a shape with a curved face?
A cylinder has two faces that are both curved.
