kak tolong jwb yah.. ...
Matematika
firman569
Pertanyaan
kak tolong jwb yah..
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1 Jawaban
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1. Jawaban rifkyulliyah
Lp balok = 2(pl+pt+lt) = 2(4.2+4.1+2.1) = 2(8+4+2) = 2(14) = 28 cm ²
Semoga bermanfaat ..