Etageres
Figue 1
Un décorcteur adessiné une vue
de coté d'un meuble de range
men...
Mathematics, 09.12.2021 14:00 JorgeW5St
Etageres
Figue 1
Un décorcteur adessiné une vue
de coté d'un meuble de range
ment composée d'une structure
métallique et de plateaux en
bós d'épaisseur 2 cm, illustré
ale figure 1.
sétages de la structure métal
lique de ce meuble de range-
ment sont tous identiques et la
figure 2 représente l'un d'eux
On donne:
OC = 48 cm ; OD = 64 cm;
08=27 cm;OA = 36 cm;
00=20 cm,
• Les droites (AC) et (CD) sont
perpendiculaires
Plateau en bois
1. Démontrer que les droites d'esseur 2 cm
(AB) et (CD) sont paralleles.
Figure 2
2. Montrer par le calcul que
A
B
A8=45 cm.
3. Calculer la hauteur totale du
o
meuble de rangement.
Danies Die Centres Etrangers, juin 2019,
С
D
MY
Base
Answers: 3
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