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

Rossler's Attractor
Isosceles Right Triangle
Writing and Graphing Proportional Relationships (k>0)
Marion's Theorem
Mandelbrot 2

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Γωνίες σε κύκλο (επίκεντρες, εγγεγραμμένες, υπό χορδής και εφαπτομένης)
Geogebra circumcenter
Mini-Quiz #13 Algebra 2 Exponents, Roots and Logs
Kaylie animated star colored
Oppgave b

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Symmetry
Perimeter
Secant Line or Secant
Kite
Triangles