Perpendicular lines

Auteur :fglynn

Perpendicular Lines Adjust the gradients of lines L_1 and L_2, by moving the three points. Notice that the product of the gradients always equals -1

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Dividing a 3-digit number by a 1-digit number (2)
Dividing a 2-digit number by a 1-digit number (2)
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Dividing a 3-digit number by a 1-digit number (1)
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Untitled
Ellipses
Geometry Problem 1343
Venn Diagram Puzzle의 복사본

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Parallélogramme
Losange
Quadrilatère Quelconque
Allure de Courbe
Valeur Attendue