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Similarity (geometry)

en.wikipedia.org/wiki/Similarity_(geometry)

Two geometrical objects are called similar if they both have the same shape, or one has the ... Similar triangles[edit]. In geometry two triangles, △ABC and ...

Similar Triangles - Math is Fun

www.mathsisfun.com/geometry/triangles-similar.html

Two triangles are Similar if the only difference is size (and possibly the need to turn or flip one around). These triangles are all similar: (Equal angles have been  ...

Similar Triangles - Math Open Reference

www.mathopenref.com/similartriangles.html

Definition and properties of similar triangles - testing for similarity.

Solve similar triangles (basic) - Khan Academy

www.khanacademy.org/math/geometry-home/similarity/solving-similar-triangles/e/solving_similar_triangles_1

Given two similar triangles and some of their side lengths, find a missing side length.

Solving similar triangles - Khan Academy

www.khanacademy.org/math/geometry-home/similarity/solving-similar-triangles/v/similarity-example-problems

Sal solves two problems where a missing side length is found by proving that triangles are similar and using this to find the measure.

Solve similar triangles (advanced) | Khan Academy

www.khanacademy.org/math/geometry-home/similarity/solving-similar-triangles/e/solving_similar_triangles_2

Given two similar triangles and some of their side lengths, find a missing side length.

www.ask.com/youtube?q=Similar Triangles&v=gQoNjgayoLI
Sep 27, 2011 ... How do similar triangles work? Watch this video to find out how to use proportions to solve for similar triangles.

G-SRT Similar Triangles - Illustrative Mathematics

www.illustrativemathematics.org/content-standards/tasks/1890

Alicia has two triangles and whose corresponding sides are proportional as pictured below: Alicia says: I wonder if they are similar because I don't have any ...

IXL - Similar triangles and indirect measurement (Algebra 1 practice)

www.ixl.com/math/algebra-1/similar-triangles-and-indirect-measurement

Fun math practice! Improve your skills with free problems in 'Similar triangles and indirect measurement' and thousands of other practice lessons.

Similar Triangles - AlgebraLAB

www.algebralab.org/lessons/lesson.aspx?file=Geometry_TrianglesSimilar.xml

Introduction: We examine triangles which are “similar” in appearance, the definition of similar triangles, and the ways we can use this information in measuring ...

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Similar Triangles - Regents Exam Prep Center

www.regentsprep.org

Triangles are similar if their corresponding (matching) angles are congruent ( equal in measure) and the ratio of their corresponding sides are in proportion.

Intro to triangle similarity | Triangle similarity | Khan Academy

www.khanacademy.org

Sal explains what it means for triangles to be similar, and how this follows from the definition of similarity.

Determine similar triangles: AA | Introduction to triangle similarity ...

www.khanacademy.org

Given two triangles with some of their angle measures, determine whether the triangles are similar or not.