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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.

Proofs with Similar Triangles - RegentsPrep

www.regentsprep.org/regents/math/geometry/gp11/LsimilarProof.htm

Two triangles are similar if and only if the corresponding sides are in proportion and the corresponding angles are congruent.

BBC - GCSE Bitesize: Similar triangles

www.bbc.co.uk/schools/gcsebitesize/maths/geometry/congruencysimilarityrev2.shtml

A secondary school revision resource for GCSE Maths about foundation level congruent and similar shapes.

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 ...

Ratios and Proportions - Similar figures - In Depth - Math.com

www.math.com/school/subject1/lessons/S1U2L4DP.html

When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine if the triangles shown are similar, compare their ...

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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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.

Similar Triangles - RegentsPrep

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.

Similar Triangles - RegentsPrep

www.regentsprep.org

Similar Triangles. ... Objects, such as these two cats, that have the same shape, but do not necessarily have the same size, are said to be "similar".