Matematika

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Tolong bantu no 10
(pake cara)
Tolong bantu no 10 (pake cara)

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  • BD = 50 cm
    AE = 24 cm
    EF = 2 × 24 = 48 cm
    AC = 24 + 48 + 24 = 96 cm

    L diarsir = L ABCD - L BFDE
    L diarsir = (1/2 × AC × BD) - (1/2 × EF × BD)
    L diarsir = 1/2 × BD (AC - EF)
    L diarsir = 1/2 × 50 (96 - 48) cm²
    L diarsir = 25 × 48 cm²
    L diarsir = 1200 cm²

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