Topics
4. Dilations & Similarity
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United States of AmericaNY
Grade 8

4.02 Identifying similar polygons

Lesson
Practice

Interactive practice questions

Which pair of triangles are similar?

Select the two triangles that are similar.

A

B

C

D
Medium
< 1min

Consider the following triangles:

Easy
< 1min

Consider the following shapes:

Easy
< 1min

Consider the shapes attached:

Medium
< 1min
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Outcomes

NY-8.G.4

Know that a two-dimensional figure is similar to another if the corresponding angles are congruent and the corresponding sides are in proportion. Equivalently, two two-dimensional figures are similar if one is the image of the other after a sequence of rotations, reflections, translations, and dilations. Given two similar two-dimensional figures, describe a sequence that maps the similarity between them on the coordinate plane.

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