Bonsoir,
Calcul de la longueur AB:
Th de Thalès:
SC/SA= CD/AB
15/(15+35) = 20/AB
15 AB= 20(15+35)
AB= 1 000/15
AB= 66.66 cm
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Bonsoir,
Calcul de la longueur AB:
Th de Thalès:
SC/SA= CD/AB
15/(15+35) = 20/AB
15 AB= 20(15+35)
AB= 1 000/15
AB= 66.66 cm