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Noemi98
@Noemi98
December 2019
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3. Considere m e n retas paralelas (m // n), calcule o valor de x e a medida de cada ângulo assinalado.
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olganemr01
2x+10·=x+30·
2x-x=30· -10·
X=20·
1 votes
Thanks 7
olganemr01
O pontinho dp lado dos numeros representa o grau.
albertrieben
Boa noite Noemi
como as retas m e n são paralelas
os ângulos assinaladas são iguais
x + 30 = 2x + 10
2x - x = 30 - 10
x = 20
os ângulos valem
a = x + 30 = 20 + 30 = 50
b = 2x + 10 = 40 + 10 = 50
3 votes
Thanks 6
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2x-x=30· -10·
X=20·
como as retas m e n são paralelas
os ângulos assinaladas são iguais
x + 30 = 2x + 10
2x - x = 30 - 10
x = 20
os ângulos valem
a = x + 30 = 20 + 30 = 50
b = 2x + 10 = 40 + 10 = 50