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Lunar Phases and Eclipses
Author:
Steven Blumsack
By moving the "moon" around the earth (upper right), changes in the phases of the moon can be seen. By moving the "Shadow" of the earth towards the moon, various stages in a lunar eclipse can be seen.
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cylinder net slider
Isosceles Triangle: Quick Construction
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Box plots: page 44, example 3
Factoring
plane intercept form
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