Centers of Triangles
Instructional Resource
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ESRI GeoInquiries - Resource Provider
California Common Core State Standards - Mathematics
- HSG-CO.D.12 Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.
- HSG-CO.C.10 Prove theorems about triangles.
- HSG-C.A.3 Construct the inscribed and circumscribed circles of a triangle, and prove properties of angles for a quadrilateral inscribed in a circle.
Centers of Triangles
Instructional Resource
Find the circumcenter of a triangle, which is the point where the perpendicular bisectors of the sides of a triangle intersect and it is equidistant to each vertex.