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Mathematics, 15.08.2020 21:01 mykidzmatter2

Uma folha de papel foi dobrada como mostra o esquema abaixo. Determine o valor do ângulo alfa.


Uma folha de papel foi dobrada como mostra o esquema abaixo. Determine o valor do ângulo alfa.

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Uma folha de papel foi dobrada como mostra o esquema abaixo. Determine o valor do ângulo alfa.

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