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Lucymaths
@Lucymaths
May 2019
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EQUATIONS/ Bonjour pourriez-vous m'aider pour cet exercice en Maths svp,Merci d'avance.
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LaPerlEDeMath
Verified answer
Bonsoir =)
40 + x + 40 + 3x - 17 = 180
x + 3x = 180 - 40 - 40 +17
4x = 117
x= 117/4
x = 29,25°
donc :
 =
40°
^B = x + 40 = 29,25 + 40 =
69,25°
^C = 3x -17 = 3 X 29,25 -17 = 87,75 - 17 =
70,75°
2 votes
Thanks 1
LaPerlEDeMath
^ veut dire l'angle ° veut dire degrés
Lucymaths
Mercii :)et on est obligé de mettre le petit ^ sur le A?
LaPerlEDeMath
oui
LaPerlEDeMath
oui bien ecris ABC avec ^
LaPerlEDeMath
de rien
Lucymaths
D'accord merci et faut il mettre alors ABC ou que A comme ce que vous avez mit?
LaPerlEDeMath
je te conseille comme ma réponse =)
Lucymaths
Merci alors c vrment bon? :D
LaPerlEDeMath
oui
Lucymaths
Mercii infiniment ^^ La personne qui est en dessous de vous a mit une autre réponse, ce n'est pas la même que la votre, est-ce normal?
Commentaires (1)
Verified answer
X+40 + 40 + 3x-17 = 180
x + 3x = 180
- 40 - 40 + 17
x + 3x = 117
4x = 117
x = 117/4
x = 29,25
:)
1 votes
Thanks 0
Lucymaths
Mercii :)
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BONJOUR SVP J'AURAIS VRAIMENT BESOIN D'AIDE POUR CET EXERCICE EN MATHS SVP SUR LA TRIGONOMETRIE!!!
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Verified answer
Bonsoir =)40 + x + 40 + 3x - 17 = 180
x + 3x = 180 - 40 - 40 +17
4x = 117
x= 117/4
x = 29,25°
donc :
 = 40°
^B = x + 40 = 29,25 + 40 = 69,25°
^C = 3x -17 = 3 X 29,25 -17 = 87,75 - 17 = 70,75°
Verified answer
X+40 + 40 + 3x-17 = 180x + 3x = 180 - 40 - 40 + 17
x + 3x = 117
4x = 117
x = 117/4
x = 29,25
:)