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1 gen 114 anni - Ptolemy Best achievement

Descrizione:

Established mathematically that an object and its mirror image must make equal angles to a mirror.This is important because it helps mathematicians know how a mirror has equal angles.

Aggiunto al nastro di tempo:

Social Studies Timeline

ByEthan Day
11 dic 2019
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0
277

Data:

1 gen 114 anni
Adesso
~ 1913 years ago
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