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$11.70
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Euclid's Proof of the Pythagorean Theorem. Key Ring
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Aluminum Circle
+$1.05
+$1.05
+$25.40
+$25.40
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Euclid's Proof of the Pythagorean Theorem. Key Ring
Euclid's Proof of the Pythagorean Theorem. Your remember Pythagoras' theorem from your middle school days. A square plus b squared equals c squared. Powerful mathematical relationship in colour. Great gift idea for a math student or math teacher.
Customer Reviews
4.6 out of 5 stars rating5.4K Total Reviews
5,400 Reviews
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By Zali O.9 August 2023 • Verified Purchase
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By Jessica K.2 March 2023 • Verified Purchase
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These keychains were perfect for our 5th grade traveling volleyball team. I just added a tassle, and they were the perfect gift! .
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Product ID: 146400880590180345
Posted on 4/04/2012, 7:47 PM
Rating: G
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