Matematika

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tolong donk nomer 26 please
tolong donk nomer 26 please

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  • <CDE = 56
    <CED = 44 (bertolak belakang)
    <DCE = 180 - (44+56)
               = 180 - 100
               = 80
     <BCE = 180 - 80
                = 100

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