Discovering Some Properties of Rhombuses
Using Geometer's Sketchpad
by David Wise

Note: I recommend that this page be printed out, so that the instructions are easier to follow.

Definition: A rhombus is an equilateral parallelogram

Click here to link to the rhombus sketch needed to carry out the investigation.

C-57 The diagonals of a rhombus are _________________________________of each other.

C-58 The diagonals of a rhombus____________________________each angle of a rhombus.

If you have any questions while trying to complete this investigation, or suggestions that would be useful, especially for use at the high school level, please send e-mail to

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