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Ratios and Proportions - Similar figures - In Depth
If two objects have the same shape, they are called "similar." When two figures are similar, the ratios of the lengths of their corresponding sides are equal.
IXL - Identify similar figures (Geometry practice)
Improve your math knowledge with free questions in "Identify similar figures" and thousands of other math skills.
IXL - Areas of similar figures (Geometry practice)
Improve your math knowledge with free questions in "Areas of similar figures" and thousands of other math skills.
malaphor - Wiktionary
Examples "Too many chefs in too many pies" (from "too many chefs spoil the broth" and "one finger in too many pies"); "it's like stabbing a hole in the dark" (from "a stab in the dark" and "hole in the dark");
Similar - Maths Resources
Resizing. If one shape can become another using Resizing (also called dilation, contraction, compression, enlargement or even expansion), then the shapes are Similar:
Similarity (geometry) - Wikipedia
The ratio between the areas of similar figures is equal to the square of the ratio of corresponding lengths of those figures (for example, when the side of a square or the radius of a circle is multiplied by three, its area is multiplied by nine — i.e. by three squared).
Ratio and proportion. Similar triangles. Topics in ...
Similar figures. Trigonometry depends on the meaning of similar figures.. Similar figures are equiangular, and the sides that make the equal angles are proportional.. To say then that figures A B C D E, P Q R S T are similar, is to say that the angle at A is equal to the angle at P, the angle at B is equal to the angle at Q, etc.; and ...
Determine similar triangles: AA (practice) | Khan Academy
Given two triangles with some of their angle measures, determine whether the triangles are similar or not.
Solving Proportions: Similar Figures | Purplemath
Worked examples show how proportions can be used to solve exercises involving "similar" geometric figures.
Free Pre-Algebra Worksheets - Kuta Software LLC
Free Pre-Algebra worksheets created with Infinite Pre-Algebra. Printable in convenient PDF format.