Question

e urgente pfv me ajudem



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Answer 1

Resposta:

a = 7x + 10

b = 2x - 10

s = 180 - (y + 50)

r = 180 - (7y - 10)

Explicação passo-a-passo:

a = 7x + 10

b = 2x - 10

Uma propriedade é que os lados opostos nas retas cruzadas são iguais.

s = 180 - (y + 50)

r = 180 - (7y - 10)

Uma linha reta tem total de 180°, logo, os valores dos ângulos subtraídos do total resultarão nos valores.

Answer 2

Resposta:

a= 150°

b= 30°

r = s = 120°

Espero ter ajudado!