May 2019 1 18 Report
Sebuah bak penampung air berbentuk tabung dapat menampung air sebanyak 15400 liter. jika tinggi tabung 1,5 meter, hitunglah:
a. jari jari tabung
b. biaya pengecatan bagian luar bak (alas tidak termasuk) jika harga 1 kaleng cat Rp 30.000 dan 1 kaleng cat dapat mengecat area seluas 28m^2
(phi= 22/7)

tolong di bantu pake cara ya....terima kasih^^
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