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Heyhey78
@Heyhey78
May 2019
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Bonjour pouvez m'aider svp j'ai absolument besoin de votre aide j'y arrive vraiment pas
il faut trouver la mesure de l'angle CAB sachant que les droites (AB) et (CO) sont parallèles
merci de bien vouloir m'aider
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trudelmichel
Verified answer
Bonjour,
AB//CO
angle BAO=angle AOC angles alterne interne
Angle AOC=21°
triangle AOC
angle AOC+angle OCA+angle CAO=180°
21°+133°+angle CAO=180)
154°+angle CAO=180°
angle CAO=180)-154°
angle CAO=26°
angle CAB=angle CAO+angle OAB
angle CAB=26°+21°
angle CAB=47°
1 votes
Thanks 1
heyhey78
mercii bcp j'ai compris
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Verified answer
Bonjour,AB//CO
angle BAO=angle AOC angles alterne interne
Angle AOC=21°
triangle AOC
angle AOC+angle OCA+angle CAO=180°
21°+133°+angle CAO=180)
154°+angle CAO=180°
angle CAO=180)-154°
angle CAO=26°
angle CAB=angle CAO+angle OAB
angle CAB=26°+21°
angle CAB=47°