Matematika

Pertanyaan

Tolong dibantu yaaaa
Tolong dibantu yaaaa

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  • jawab
    L,ABD= 1/2(12)(18) = 108
    L.ABC = 1/2(12)(10) = 60
    L.ABE = x

    108- x + 60 - x = 88
    168 - 2x = 88
    2x = 80
    x = 40 

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