This is an Islamic Lattice pattern from Alan D Adams (on flickr.com). It is identical in design to one at[br]the tomb of an Asian conqueror, Timur, in what is now Uzbekistan. The tomb was the model for the [br]great Taj Mahal in Agra, built by Timur's descendants, the ruling dynasty of North India.[br][br]Use the construction and transformation tools to demonstrate relationships between pairs of angles.[br]Because Mr. Adams is so careful, you may assume that lines appearing parallel [i]are[/i] parallel.

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