Euclid's Fifth

Euclid's Fifth Postulate

Adjust the sliders to change the size of alternate angles n and m. Can you find the relationship between n and m to decide which side of XY the lines AB and CD cross?

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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Thales' Intercept Theorem
Proving Triangles Similar by Dilation
Position and Velocity Vector
Angle Bisector: Quick Warm Up Questions

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Wolferman Linear Pair
Geometry B SOHCAHTOA Exploration
Envelope for 14 Feb v3
Angle between two planes
Sketching polar curves: Lemniscate

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Quadratic Functions
Parametric Curves
Integral Calculus
Sine
Geometry