In which type of projection, actual dimensions and angles of objects andtherefore shapes cannot be preserved? a.Orthographic b.Isometric c.Perspective d.None of the above

In which type of projection, actual dimensions and angles of objects andtherefore shapes cannot be preserved? a.Orthographic b.Isometric c.Perspective d.None of the above
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c.Perspective
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Which co-ordinates allow common vector operations such as translation, rotation,scaling and perspective projection to be represented as a matrix by which the vector is multiplied? a.vector co-ordinates b.3D co-ordinates c.affine co-ordinates d.homogenous co-ordinates

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