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ricardoschneider
@ricardoschneider
March 2022
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Alguém saberia resolver a questão da imagem?
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Verified answer
Tg  = x / a tg Ê = x / (a-42)
4/3 = x / a
4a = 3x
a = 3x/4 substituindo na eq acima tg Ê = x / (3x/ 4 - 42)
12/5 = x / (3x - 168) / 4
5x = 36x - 2016
20x - 36x = -2016
- 16x = - 2016 *(-1)
x = 2016 / 16
x = 126
Alternativa
A
.
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Verified answer
Tg  = x / a tg Ê = x / (a-42)4/3 = x / a
4a = 3x
a = 3x/4 substituindo na eq acima tg Ê = x / (3x/ 4 - 42)
12/5 = x / (3x - 168) / 4
5x = 36x - 2016
20x - 36x = -2016
- 16x = - 2016 *(-1)
x = 2016 / 16
x = 126
Alternativa A.