Two figures are said to be similar when all corresponding angles are equal, and are inversely similar when all corresponding angles are equal and described in the opposite rotational sense.
Inversely Similar
See also
Directly Similar, Homothetic, SimilarExplore with Wolfram|Alpha
References
Lachlan, R. "Properties of Two Figures Inversely Similar." §220-222 in An Elementary Treatise on Modern Pure Geometry. London: Macmillian, pp. 138-139, 1893.Referenced on Wolfram|Alpha
Inversely SimilarCite this as:
Weisstein, Eric W. "Inversely Similar." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/InverselySimilar.html