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Test for a rhombus

The quadrilateral below has been constructed so that sides are equal. What does this tell us about the quadrilateral? Test your conjecture by revealing the relevant measurements and moving the sliders.

1. What are the properties of a rhombus?
2. What are the properties of a square?
3. Are the rhombuses inclusive of the squares?

© State of New South Wales, Department of Education, 2018