AA Similarity

Author:Patricia Arnold

The sketch was made so that angles A and D are always congruent and the vertical angles are always congruent. Move point D, being sure the sketch always has TWO triangles. How do the two triangles appear to be related?

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General Polar Equation of Conics with Rotation (2)
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
bewijs stelling van Pythagoras
Circumference of a unit circle
apec

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Area under a curve 1
Maia's Math World
TRIANGLE
Parallel Lines cut by a Transversal

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Addition
Difference and Slope
Constructions
Confidence Interval
Ellipse