In conic section the fixed line is known as:
AFocus line
BDirectrix
CGenerating line
DDirecting line
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Related Questions:
The ratio of the symbol of orthographic projection either first angle or third angle is:
Isometric projection of a circle is always:
The method of drawing a line with reference to the origin(0, 0) is called:
In orthographic projection the rays are assumed to be
The ratio of isometric length to true length is