Que
Exercice 16
Sur la figure ci-contre, qui n'est pas en vraie grandeur, nous savons
с...
Mathematics, 20.10.2020 03:01 alexisfaithsmith
Que
Exercice 16
Sur la figure ci-contre, qui n'est pas en vraie grandeur, nous savons
с
que :
• (C) est un cercle de centre E dont le diamètre [AD] mesure 9 cm.
• B est un point du cercle (C) tel que : AB = 46°.
B
А
1. Montrer que le triangle ABD est un triangle rectangle.
2. Justifier que : AB = 23'.
3. Calculer la longueur AB et préciser sa valeur arrondie au centième
de cm.
4. On trace la droite parallèle à la droite (AB) passant par E. Elle coupe le segment [BD] au point F.
5. Calculer la longueur EF et préciser sa valeur arrondie au dixième de cm.
Answers: 1
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