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This site explains how to do all four constructions using a compass and straightedge. Go to unit 12, then to 12.12 and then click on construct parallelogram, rectangles, rhombuses,..... |
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Open this site and go to activity 6. |
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This site uses the geometers sketchpad to demonstrate the constructions. Scroll down past the introduction to the virtual classroom where you will see all four constructions. |
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Pages 240 - 243 |
Page 222 |
Angles and Polygons - Pages 10 -13 |