Sebuah drum minyak berbentuk tabung memiliki diameter 84 cm dan tinggi 1 m. jika harga 1 liter minyak rp 1.100,00 maka hitunglah harga untuk membeli 1 drum minyak

Sebuah drum minyak berbentuk tabung memiliki diameter 84 cm dan tinggi 1 m. jika harga 1 liter minyak rp 1.100,00 maka hitunglah harga untuk membeli 1 drum minyak

Jawaban

Rp 609.840,00

 

Penjelasan dengan langkah-langkah:

1 L = 1 dm³

d = 84 cm

r = 42 cm = 4,2 dm

t = 1 m = 10 dm

 

V = πr²t

= 22/7 x 4,2 x 4,2 x 10

= 554,4 dm³ = 554,4 L

 

harga 1 drum adalah

= 554,4 x 1.100

= 609.840

 

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