Bjr
Exercice 2)
Longueur perche :
80 cm → 0,8 m
= 5²+12²
= 25+144
= 169
= √169
= 13m
________________
= 13²-11,2²
= 169-125,44
= 43,56
= √43,56
= 6,6m
6,6 - 5 = 1,6
Donc ? = 1,6m
❤
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Bjr
Exercice 2)
Longueur perche :
80 cm → 0,8 m
= 5²+12²
= 25+144
= 169
= √169
= 13m
________________
= 13²-11,2²
= 169-125,44
= 43,56
= √43,56
= 6,6m
________________
6,6 - 5 = 1,6
Donc ? = 1,6m
❤