p.748 The Equiangular Spiral
Arthur Lee's List: Open Library Clips
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Quetelet's data, stature and weight of man; what statistics mean
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pattern drawing, circle design, regular hexagons
from p.19
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find coordinates of points equidistant from ...
p.153, Ex821
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Similarity, Book IV, p.301
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preface: the system of deductive geometry evolved by Euclid is generally thought to be unsuitable for young minds. At the outset the definitions and the axioms present obstacles, and the formal phraseology of the arguments is not readily appreciated.
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p.16, no.5, construction and observation on several rays intersecting
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Ch6 measurement about similar triangles BEFORE Ch7 on theories about similarity
p.129
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Measure tree and explore method in exercise
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Hypsometer, similar to inclinometer, but measure ratio
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p.129 show geometrically, by diagram, that (x-y)^2=...
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Clippings from reading of open library books
Updated on Dec 23, 10
Created on Dec 18, 10
Category: Schools & Education
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