AB = CD = 20
BC = AD = 12, maka ....?
Plszz bantu Jawab sekrg
BC = AD = 12, maka ....?
Plszz bantu Jawab sekrg
AB = CD = 20
AB = CD = 20BC = AD = 12, maka =
[tex]k = 2ab + 2bc \\ = 2 \times 20 + 2 \times 12 \\ = 40 + 24 \\ k = 64 \: cm[/tex]
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