Matematika

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tolong ya nomor 12 pakek caranyaa
tolong ya nomor 12 pakek caranyaa

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  • AB = 12 cm
    CD = 28 cm
    AK = 2/3 AD

    KL = AK x CD + DK x AB / AK + DK
          = 2 x 28 cm + 1 x 12 cm / 2 + 1
          = 56 cm + 12 cm / 3
          = 68 cm / 3
          = 22,67 cm

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