Transcription of PROJECTION OF SOLIDS - KTU NOTES
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SESSION 4 PROJECTION OF SOLIDSD ownloaded from understand and remember various SOLIDS in this subject properly, those are classified & arranged in to two major ASolids having top and base of same shapeCylinderPrismsTriangular Square pentagonal HexagonalCubeTriangular Square pentagonal HexagonalConeTetrahedronPyramids( A solid having six square faces)( A solid having Four triangular faces)Group BSolids having base of some shape and just a point as a top, called apex. Downloaded from parameters of different FaceLonger EdgeBaseEdge of BaseCorner of baseCorner of baseTriangular FaceSlant EdgeBaseApexSquare PrismSquare PyramidCylinderConeEdge of BaseBaseApexBaseGeneratorsImaginary lines generating curved surface of cylinder & of SOLIDS ( top & base not parallel)Frustum of cone & pyrami
Problem 13.20:A pentagonal pyramid base 25 mm side and axis 50 mm long has one of its triangular faces in the VP and the edge of the base contained by that face makes an angle of 30º with the HP. Draw its projections. X Y Step 1. Here the inclination of the axis is given indirectly. As one triangular face of the pyramid is in the VP its axis ...
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