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Inscribed and Circumscribed Circles

Videos, worksheets, games and acivities to help Geometry students learn about inscribed and circumscribed circles.

 

 

Circumscribed and Inscribed Circles
A circle is circumscribed about a polygon if the polygon's vertices are on the circle. For triangles, the center of this circle is the circumcenter. A circle is inscribed a polygon if the sides of the polygon are tangential to the circle. For triangles, the center of this circle is the incenter. Circumscribed and inscribed circles show up a lot in area problems.

 

 

How to Draw Inscribed and Circumscribed Circles
Tutorial on how to construct inscribed and circumscribed circles manually using pencil, paper, a straight edge, and a compass.

 

 

 

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