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The tetractys is a triangular figure consisting of ten points arranged in four rows: one, two, three, and four points in each row, which is the geometrical representation of the fourth triangular number. As a mystical symbol, it was very important to the secret worship of the Pythagoreans.
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Earn +20 ptsQ: What is Tetractys of the decade?
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What fraction of a decade is one year?
1 decade is 10 years, thus: 1 year =1/10 decade = 0.1 decade
What is the name for one tenth of a century?
10 years! (a decade)
How many decade in years?
A decade is 10 years
Years in decade?
1 Decade= 10 years
A year is what fraction of a decade?
A decade is equal to 10 years. Therefore, one year is one tenth of a decade.
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