tolong donk cara no 9 and 10 pake cara y
Matematika
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Pertanyaan
tolong donk cara no 9 and 10 pake cara y
1 Jawaban
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1. Jawaban miaw7
nilai a : 28-12-7=9
keliling :12+9+9+9+7+20+28+20=114 cm(iya gak sih)
luas :12 X 20 + 7 X 20 + 9 X 9 =
[tex] {461}^{2} [/tex]
maaf kalo salahhh