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acplcruz
@acplcruz
April 2022
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O monitor de um notebook tem formato retangular com a diagonal medindo 30 cm e um lado medindo 3/4 do outro lado. Quais são as medidas dos lados desse monitor?
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karolzinhasafa
Resolução em anexo.
As medidas são
24 cm e 18 cm
142 votes
Thanks 264
Eriivan
Verified answer
D² = a² + (3a/4)²
d² = a² + 9a²/16
d² = (16a² + 9a²)/16 = 25a²/16
d = 5a/4
5a/4 = 30
5a = 120
as medidas
a = 120/5 = 24
b = 3a/4 = 3*24/4 = 18
pronto
135 votes
Thanks 334
J
Jesyane
Oi
0 votes
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Lista de comentários
As medidas são 24 cm e 18 cm
Verified answer
D² = a² + (3a/4)²d² = a² + 9a²/16
d² = (16a² + 9a²)/16 = 25a²/16
d = 5a/4
5a/4 = 30
5a = 120
as medidas
a = 120/5 = 24
b = 3a/4 = 3*24/4 = 18
pronto