# What is mean by circumcircle, incircle, circumscibed or circumscribing and inscribing or inscribed with an example of each in chapter circles.

Circumcircle – a circle touching all the vertices of a triangle or polygon.

Incircle – a circle inscribed in a triangle or other figure so as to touch (but not cross) each side.

Circumscribed circle – of a polygon is a circle which passes through all the vertices of the polygon.

An inscribed circle – is the largest possible circle that can be drawn on the inside of a plane figure.