December 2020 0 64 Report
Bonjour, 1. Ces deux triangles sont-ils semblables ?

Triangle ABC :
AB = 5 cm, AC = 3 cm, CB = 2.8 cm
Angles : A=29°, B=?, C=120°

Triangle EDF :
FD = ?, ED = 4.5 cm, EF = ?
Angles : E=120°, D=29°, F=31°

2. Ecrire trois quotients égaux et en déduire EF et FD.

Merci à tous
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