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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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ABC est un triangle rectangle en A tel que: AB = 3 cm et AC = 4 cm. 1) Calculer BC.

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