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CBSE Class 8 Maths Notes for Chapter 10 Visualising Solid Shapes

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CHAPTER 10 VISUALISING SOLID SHAPES
 
2-D SHAPES
When a solid object has only two measurements it is called a 2 dimensional shape.
 
3-D SHAPES
When a solid object has three measurements- length, breadth and depth, it is called a 3 dimensional shape.
3D shapes objects have a different views from different positions
 
MAP
A map depicts the location of a particular object in relation to other objects.
 
POLYHEDRON
A polyhedron is a solid made up of polygonal regions called faces. These faces meet at edges and edges meet at vertices. For any polyhedron,
                                                         F + V – E = 2
Where ‘F’ stands for the number of faces, V is the number of vertices and E stands for number of edges. This is Euler’s formula.

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