ABC est un triangle rectangle en A tel que: AB = 3 cm et AC = 4 cm.
1) Calculer BC.
I es...
Mathematics, 09.06.2021 08:10 cassandramanuel
ABC est un triangle rectangle en A tel que: AB = 3 cm et AC = 4 cm.
1) Calculer BC.
I est le milieu de [AC). La parallèle menée de 1 à (AB) coupe (BC) en J.
2) Calculer IJ.
3) a) Calculer AJ.
b) En-déduire la nature du triangle ABJ.
K est le milieu de [AB].
4) Montrer que (KJ) est parallèle à (AC).
5) Quelle est la nature du quadrilatère AKJC ? Justifier.
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