Type:

Other

Description:

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: In the picture given below, line segments $AD$ and $BC$ intersect at $X$. Line segments $AB$ and $CD$ are drawn, forming two triangles $AXB$ and $CXD.$...

Subjects:

  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
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  • Grade 10

Keywords:

Informal Education,NSDL,oai:nsdl.org:2200/20130211105059145T,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-103,High School,Vocational/Professional Development Education,Mathematics,Education

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
Update Standards?

CCSS.Math.Content.HSG-SRT.A.2: Common Core State Standards for Mathematics

Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.
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