Mathematics
Mathematics, 17.07.2019 02:30, 2936131

Em um triangulo abc, a medida do angulo bac excede a medida de abc em 10°,e a medida do amgulo acb, adicionada de 30°,é igual ao dobro da medida de bac. quais são as medidas dos angulos deste triangulo?

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Em um triangulo abc, a medida do angulo bac excede a medida de abc em 10°,e a medida do amgulo acb,...

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