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Activity
Texas Instruments

Texas Instruments: Properties of Parallelograms

For Teachers 9th - 10th Standards
In this activity, you will construct the geometric object by following the instructions below, and then answer the questions about the object.
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Activity
University of Cambridge

University of Cambridge: Nrich: Where Are They?

For Students 3rd - 8th
Test your logic, polygon properties, and pattern recognition skills working on this challenge. Solution included.