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Unformatted text preview: Robb Page 16-April- 2010 Physical Science 303P Professor Law EUCL ID, BOOK 1-PROPOSITION 29 1. Question: What method can be used to determine if two alternate angles are equal? 2. Background Info: 3. Assumptions: Given two lines, 10cm in length Alternate angles are not equal, spaced 5cm apart, and bisected by unless the two bisected lines are a third line, diagonal and similar parallel. in length, we must measure the angles to determine if the two lines are parallel. To do so, we can attempt to use Euclids Proposition 29 from Book I of his Elements. 4. Hypothesis: If two straight lines are parallel and a third straight line bisects them, the resulting alternate angles are equal. 5. Diagram (optional): Examples Euclid, Book 1-Proposition 29 6. Independent Variable: The angles created by the third line. 7. Dependent Variable: The measurements of all respective angles. 8. Controlled Variable: Second diagram, consisting of non-parallel lines....
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