Matematika

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Tolong bantu no 12 pake caranya yaa
Tolong bantu no 12 pake caranya yaa

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  • 3a + 15 + 2a - 10 = 180
    5a + 5 = 180
    5a = 180 - 5
    5a = 175
    a = 175/5
    a = 35

    a + 8 = 35 + 8 = 43°

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