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Mathematics, 13.12.2021 17:00 Ap621765

11. Rombul ABCD are latura de 10 cm şi măsura unghiului obtuz de 1500 a) Determinaţi perimetrul rombului.
b) Arătaţi că patrulaterul MNPQ ale cărui vârfuri sunt mijloacele laturilor rombului
este dreptunghi.
c) Calculaţi perimetrul dreptunghiului MNPQ de la punctul b).

Va rog sa ma ajutati la punctul c).

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