bonjour
CD² = 155 ² - 35 ² = 22 800
CD = √22 800 = 150.99 donc 151 m
(155 + 90 + 35 + 151 + 90 ) x 4 = 2 084 m
2 084 : 10 = 208.4
vitesse = 208.4 / min = 20.84 : 60 = 3.47 m / s
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bonjour
CD² = 155 ² - 35 ² = 22 800
CD = √22 800 = 150.99 donc 151 m
(155 + 90 + 35 + 151 + 90 ) x 4 = 2 084 m
2 084 : 10 = 208.4
vitesse = 208.4 / min = 20.84 : 60 = 3.47 m / s