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Perhatikan gambar di bawah ini! Jarak titik berat bangun di atas dengan garis AB adalah ....

Perhatikan gambar di bawah ini!

Jarak titik berat bangun di atas dengan garis AB adalah ....

9,9 cm
11,1 cm
12,2 cm
13,3 cm
14,4 cm

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R. Amalia

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Mahasiswa/Alumni Universitas Padjadjaran

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$straight y subscript 1 equals 8 comma space straight y subscript 2 equals 19 1 third equals 58 over 3 cm semicolon straight A subscript 1 equals straight p cross times straight l equals 40 cross times 16 equals 640 space cm squared straight A subscript 2 equals fraction numerator straight a cross times straight t over denominator 2 end fraction equals fraction numerator 48 cross times 10 over denominator 2 end fraction equals 240 space cm squared straight y subscript 0 equals fraction numerator straight y subscript 1 straight A subscript 1 plus straight y subscript 2 straight A subscript 2 over denominator straight A subscript 1 plus straight A subscript 2 end fraction straight y subscript 0 equals fraction numerator open parentheses 8 close parentheses open parentheses 640 close parentheses plus open parentheses begin display style 58 over 3 end style close parentheses open parentheses 240 close parentheses over denominator 640 plus 240 end fraction equals fraction numerator 5120 plus 4640 over denominator 880 end fraction equals 9760 over 880 equals 11 comma 1 space cm$