An hyperbola occurs naturally when two nearly identical glass plates in contact on one edge and separated by about
millimeters at the other edge are dipped in a thick liquid.
Conjugate axis of a hyperbola
cms.
Tranverse axis of a hyperbola
cms.
The length of the conjugate axis is
.

The length of the transverse axis is
.
The model of hyperbola is
or
.
Since the oriention of hyperbola is not specified,
or
can be modeled as an hyperbola.
Model of a hyperbola :
or
.
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