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This geometry video tutorial provides a basic introduction into triangle similarity. it explains how to use two column proofs in order to prove if two triangles are similar using the mostly the AA postulates. Other triangle similarity postulates mentioned are the AAA, SSS, and SAS postulates. Theorems used in this video include the base angle theorem, theorems associated with parallel lines, alternate interior angle theorem, vertical angles, reflexive property, definition of an altitude, right angle congruence, and more. This geometry video contains plenty of examples and practice problems on triangle similarity.
Polygons:
• Polygons
Quadrilaterals:
• Quadrilaterals - Geometry
Skew Lines:
• Skew Lines, Perpendicu...
Points, Lines, Planes, & Segments:
• Points, Lines, Planes,...
Triangles - Basic Introduction:
• Triangles - Basic Intr...
Number of a Diagonals In a Polygon:
• Number of Diagonals In...
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Ratios and Proportions - Means Extreme:
• Ratios and Proportions...
Similar Triangles:
• Similar Triangles
Similar Triangles - Enlargement Ratios:
• Similar Triangles and ...
Triangle Proportionality Theorem:
• Triangle Proportionali...
Altitude on Hypotenuse Theorem:
• Altitude on Hypotenuse...
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Pythagorean Theorem:
• Pythagorean Theorem
The Distance Formula:
• Distance Formula
Distance Between 2 Points - 3D:
• How To Find The Distan...
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