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Mathematics, 06.03.2021 01:00 jrfranckowiak

Exercice 5 Partie 1
Calculer en justifiant la mesure des angles : CAD et CDA
B
45
432
35,35
Partie 2
1) donner la valeur de BD 92
2) montrer que AD = V50
3) montrer que AC = 50
3) calculer la valeur exacte de CD
30
Partie 3
Vérifier que x est la différence entre les périmÚtres des triangles ABC et ABD
Partie 4
1) Donner la valeur exacte de l'aire de ABD puis celle de ACD
2) Compléter avec la valeur exacte puis approchée : aire de ABD =
X aire de ACD​

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Exercice 5 Partie 1
Calculer en justifiant la mesure des angles : CAD et CDA
B
45
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