In conic section the fixed line is known as:
AFocus line
BDirectrix
CGenerating line
DDirecting line
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Related Questions:
The ratio between isometric length and true length
The following projection method has been recommended by the BIS for the preparation of Engineering drawing of objects:
The isometric length is ----------------------percent of actual length.
In conic sections, if the section is parallel to the axis of the cone then it will be:
The external curve of an arch is known as :