Bonjour,
AC= AN+NC= 4.5+6.9= 11.4 cm
Calcul de MN: utiliser le th de Thalès, on a:
AN/AC= MN/BC
4.5/11.4= MN/8.55
11.4 MN= 4.5x8.55
MN= 38.475/11.4
MN= 3.375 cm
MN≈ 3.75 cm.
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonjour,
AC= AN+NC= 4.5+6.9= 11.4 cm
Calcul de MN: utiliser le th de Thalès, on a:
AN/AC= MN/BC
4.5/11.4= MN/8.55
11.4 MN= 4.5x8.55
MN= 38.475/11.4
MN= 3.375 cm
MN≈ 3.75 cm.