Google ClassroomGoogleクラスルーム
GeoGebraGeoGebra Classroom
GeoGebra

The Spieker Center

作成者:Steve Phelps
The Spieker Center is the incenter of the medial triangle. It is the center of mass of the perimeter of the triangle. Play through the construction, then try your hand at it below.

新しい教材

教材を発見

トピックを見つける