# Parallelogram Diagonal Exploration NCTM

## Drag the vertices of the large parallelogram to change its shape. Also, drag the point on the diagonal. As you explore, note how values in the spreadsheet change. Use the spreadsheet to explore numerical relationships. What conjectures can you make?

Drag the vertices of the large parallelogram to change its shape. Also, drag the point on the diagonal. As you explore, note how values in the spreadsheet change. Use the spreadsheet to explore numerical relationships. What conjectures can you make?

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