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Maricler96
@Maricler96
April 2020
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Calcule o valor de x na figura abaixo:
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ittalo25
Verified answer
Tg60° = x / z
√3 = x / z
√3z = x
tg30° = x / 10 + z
√3/3 = √3z / 10 + z
√3/3 . (10+z) = √3z
10√3/3 + √3z/3 = √3z
30√3/3 + √3z = 3√3z
10√3 + √3z = 3√3z
10√3 = 3√3z - √3z
10√3 = 2√3z
10√3 / 2√3 = z
5√3 / √3 = z
5.3 / 3 = z
15/3 = z
z = 5
tg30° = x / 15
√3/3 = x / 15
15√3/3 = x
5√3 = x
0 votes
Thanks 1
ittalo25
putz, acho que ficou confuso, qualquer coisa só falar
Niiya
Verified answer
Chame o cateto adjacente ao ângulo de 60º de y
Como y
√3 = x:
0 votes
Thanks 1
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Lista de comentários
Verified answer
Tg60° = x / z√3 = x / z
√3z = x
tg30° = x / 10 + z
√3/3 = √3z / 10 + z
√3/3 . (10+z) = √3z
10√3/3 + √3z/3 = √3z
30√3/3 + √3z = 3√3z
10√3 + √3z = 3√3z
10√3 = 3√3z - √3z
10√3 = 2√3z
10√3 / 2√3 = z
5√3 / √3 = z
5.3 / 3 = z
15/3 = z
z = 5
tg30° = x / 15
√3/3 = x / 15
15√3/3 = x
5√3 = x
Verified answer
Chame o cateto adjacente ao ângulo de 60º de yComo y√3 = x: