right angle geoboard

Author:Laurel Langford

Points A, B, C, D and E can be dragged (moved) to make lines on the geoboards. The two blue lines are always perpendicular and the two red lines are always perpendicular (right angles).

New Resources

Parallel lines, Transversals and Segments
အခြေခံ data အခေါ်အဝေါ်များ
Proving Triangles Similar: Multistep Transformations
Proving Triangles Similar by Dilation
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Menyelesaikan SPLDV Dengan Metode Determinan
G-CO.12 Construction #6 Perpendicular bisector of a line segment
signal collection
triangle angle bisector theorem

Discover Topics

Equilateral Triangles
Division
Reflection
Secant Line or Secant
Rotation