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Reid, Bob – Mathematics Teacher, 1989
Relationships among the sides are developed for right triangles whose sides are in the ratios 1:3, 1:4, and 1:5. The golden ratio appears in the results which can be used in secondary mathematics. (DC)
Descriptors: Algebra, Discovery Learning, Geometric Concepts, Learning Activities
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Miller, William A.; Clason, Robert G. – Mathematics Teacher, 1994
Presents lesson plans for activities to introduce recursive sequences of polygons: golden triangles, regular pentagons, and pentagrams. The resulting number patterns involve Fibonacci sequences. Includes reproducible student worksheets. (MKR)
Descriptors: Algebra, Lesson Plans, Manipulative Materials, Mathematics Curriculum