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1 / Preparation of measurements and equipment ... -
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Set square, compass, levels, cardboard, paper, pen ... -
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2 / Readings of the measures on the roof near the high school science lab -
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Alain and Comenius students during measurements -
3 / Data Exploitation -
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Trigonometry ... my friend -
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Data interpolation with GeoGebra software ... -
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Group photo after work
