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Chapter topics:
- Quadrangles
- Quadrangles or quadrilaterals
- The angles and perimeter of a quadrangle
- Practise and solve
- Good to know
- Extra
A valid license for package „Opiq+ For Teacher” or „Opiq+ Home” is required to use the kit. Click the link with the package name to learn more about the package and order a license.
If you have a valid license, log in to view the chapter.
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