Given two closed curves, the circuminscribed curve is simultaneously inscribed in the outer one and circumscribed on the inner one.

# Circuminscribed

## See also

Circumscribed, Inscribed, Poncelet's Porism, Steiner Chain## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Circuminscribed."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/Circuminscribed.html