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Image Tool (Activity)
Measure angles, distances, and areas in several different images (choices include maps, aerial photos, and others). A scale feature allows the user to set the scale used for measuring distances and areas.
Perimeter (Lesson)
Introduces students to the concept of perimeter.
This worksheet is for use with the Area Explorer activity (http://www.shodor.org/interactivate/activities/AreaExplorer/).
This worksheet is for use with the Cantor's comb activity (http://www.shodor.org/interactivate/activities/CantorComb/).
This worksheet is for use with the Buffon's Needle activity (http://www.shodor.org/interactivate/activities/Buffon/).
This worksheet is for use with the Tessellate! activity (http://www.shodor.org/interactivate/activities/Tessellate/).
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