Exploring Quadrilaterals

Use Sketchpad to construct the following quadrilaterals. Be sure your quadrilateral is constructed so that when you drag on a vertex, the properties of the quadrilateral are maintained.

Use the document option of Sketchpad to construct each quadrilateral on a separate page. Name each page by the name of the quadrilateral.

• parallelogram that is not a rectangle
• rectangle
• rhombus that is not a square
• square
• trapezoid
• kite that is not a rhombus

Investigate the properties of each quadrilateral. For ex., how are the lengths of the sides related? How are the angles related? What do you notice about the diagonals?

Summarize your findings for each quadrilateral in a Word document. Save this document and your GSP file to your Class Docs folder.