28 TOY est un triangle rectangle en O tel que
TO = 4,5 cm et YTO = 73º.
a. Fais une figure en vraie grandeur.
b. Calcule la longueur TY arrondie au mm.

By: USER9472
27 Agustus 2025 mathematiques 5 minutes
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175 views 175 comments 13 shares

Question

Grade: Education Subject: mathematiques
28 TOY est un triangle rectangle en O tel que
TO = 4,5 cm et YTO = 73º.
a. Fais une figure en vraie grandeur.
b. Calcule la longueur TY arrondie au mm.
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175 Viewed 175 Answers

Answer (175)

Best Answer
(309)

Réponse:

Bonjour

Explications étape par étape:

a- la figure et un triangle rectangle en O à toi de le faire sur papier avec les mesures données.

b- TY est L'hypotenus du triangle, Cosinus=côté adjacent/L'hypotenus

donc YTO=TO/TY

Answered on 27 Agustus 2025

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