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Mlaykakhan
@Mlaykakhan
May 2019
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Bonjour svp vous pourriez m aider c est pour demain
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AbderraoufSlamani
Bonsoir !!
1)
ABD est un triangle rectangle en A
Nous avons tan DAB = AD/AB
Tan DAB = 3.55/5.93 = 0.59
Tan⁻¹ DAB = 30°
2)
ABC est un triagle rectangle en C
Nous avons DAB = 30° et ACB = 90° donc CAB = 60°
Cos 60 = AC/AB
Cos 60 = 0,5
0,5 = AC/AB
0,5 = AC/5,93
0,5 × 5,93 = AC
AC = 2,69
1 votes
Thanks 1
Mlaykakhan
Merci beaucoup
AbderraoufSlamani
y'a pas de quoi
Mlaykakhan
Tu pourrai aussi faire l exercice que j ai poster stp
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Lista de comentários
1)
ABD est un triangle rectangle en A
Nous avons tan DAB = AD/AB
Tan DAB = 3.55/5.93 = 0.59
Tan⁻¹ DAB = 30°
2)
ABC est un triagle rectangle en C
Nous avons DAB = 30° et ACB = 90° donc CAB = 60°
Cos 60 = AC/AB
Cos 60 = 0,5
0,5 = AC/AB
0,5 = AC/5,93
0,5 × 5,93 = AC
AC = 2,69