Perpendicular lines

Author:Integral Resources

You can move the blue line by moving either of the green points. The red line is perpendicular to the blue line. What do you notice about the gradients of the perpendicular lines?

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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Neuberg's Theorem
Visualizing the Pythagorean Identity with Sine and Cosine
အခြေခံ data အခေါ်အဝေါ်များ
random coprime pairs

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