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**In this module, you can study ****how to figure out whether triangles are ****similar; ****how to figure out side lengths in similar triangles.**

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You have to use measurements to tell whether two triangles are similar.

Two similar triangles can have different orientations on paper.

**Practice and study**

- Read a brief explanation of similar trianglesMathsrevision.net offers a brief, clear explanation on how to tell if two triangles are similar.
- Study similar triangles and experiment with some of your ownThis site from mathopenref.com contains an excellent, detailed explanation about similar triangles. It also has a few hands-on manipulatives.
- Download a similar triangles worksheetThis downloadable worksheet (with answers) from Glencoe contains a brief explanation as well as a set of practice problems and answers. This worksheet requires some knowledge of similar triangles, so you might want to watch one of the videos or read through the above link before trying the worksheet.
- Quiz yourself on similar trianglesReady to test yourself on similar triangles? Try this online quiz at mathopolis.com.

Use this search term to find your own resources:

*similar triangles*

- Free Math Help ForumOnline 24/7 maths assistance for all levels of maths.
- SOS Math forumOnline 24/7 maths assistance for algebra and higher.
- Te Puna Ako Learning CentreIn-person help for Unitec students
- Maia Māori CentreSupport centre for Unitec's Māori students
- Pacific CentreSupport centre for Unitec's Pacific students