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davidkopernak
@davidkopernak
June 2021
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Bonjour,j'ai un dm a faire c'est l'exercice 70 p198 du livre de maths horizon 4ème
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ficanas06
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1/ la hauteur issue de C est CB.
2 / BE= 124+62=186
tan(30°) = CB/BE
CB=tan(30)/BE
CB=tan(30)/186
CB=107,4 pieds au 1/10 près
CB= 107.4 * 0.33 m = 35.44 m au 1/100 près
3/ tu vas sur Wikipedia et tu cherches Petrus Apianus, astronome et mathématicien du 16e siècle.
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Verified answer
1/ la hauteur issue de C est CB.2 / BE= 124+62=186
tan(30°) = CB/BE
CB=tan(30)/BE
CB=tan(30)/186
CB=107,4 pieds au 1/10 près
CB= 107.4 * 0.33 m = 35.44 m au 1/100 près
3/ tu vas sur Wikipedia et tu cherches Petrus Apianus, astronome et mathématicien du 16e siècle.