Matematika

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tolong no 2 dan 3 pleas
tolong no 2 dan 3 pleas

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  • [2]. 3x + 2 + 2x + 18 = 180
    5x + 20 = 180
    5x = 160
    x = 32°
    The correct answer is B. 32°
    ------------------------------------------------------------------------------------------------------
    [3]. Luas = P x L
    48 = 8 x L
    L =48 : 8
    L = 6 cm
    The correct answer is B. 6

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