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# Ravi

## on Dec 27, 2011

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## RaviPresentation Transcript

• s a/s
• MATHEMATICS POWER POINT
• VISUALISING SOLID SHAPES
•
• FACES
• FACE
• The 6 flat square surfaces that are the skin of the cube are its faces
• A THIRD WAY IS BY LOOKING AT IT FROM CERTAIN ANGLES TO GET DIFFERENT VIEWS
• BUILDING FRONT VIEW SIDE VIEW TOP VIEW
• One can look at an object standing in front of it or by the side of it or from above. Each time one will get a different view.
• SILICING GAME
• When you give a vertical cut, you get several pieces. Each face of the piece is a square! We call this face a cross-section of the whole square. The cross section is nearly a square in this case.
• SILICING GAME
• When you give a vertical cut, you get several pieces. Each face of the piece is a square! We call this face a cross-section of the whole square. The cross section is nearly a square in this case.
• OBLIQUE SKETCHES
• Here is a picture of a cube. It gives a clear idea of how the cube looks like, when seen from the front. You do not see certain faces. In the drawn picture, the lengths are not equal, as they should be in a cube. Still , you are able to recognise it as a cube. Such sketch of a solid is called an oblique sketches
• CUBE
• It has 8 vertices
• It has 12 edges
• It also has 6 faces
• cylinder
• It is in cylindrical shape
• Its shadow in the shape of rectangle
• TRIANGLE
• It has three sides
• The interior angle is 180 degrees
• circle
• It is a circle
• It has no sides,edges,vertex