Inscribed and Circumscribed CirclesInscribed Polygons– A polygon is inscribed in a circle when each vertex is on the circle.It canalso be said the circle is circumscribed about the polygon.In the following figure, triangleABCis inscribed in circleO. You could also say that circleOiscircumscribed about the triangle.Inscribed Circles – A circle is inscribed in a polygon when the circle is inside the polygon andeach side of the polygon is tangent to the circle.In the following figure, circleXis inscribed inside triangle