Diketahui:
- V = 36.960 cm³
- t = 15 cm
Ditanyakan:
- d = .... cm?
Dijawab:
[tex] \tt Volume = luas \: alas \times tinggi[/tex]
[tex]\tt V= \frac{1}{4} \pi {d}^{2} \times t[/tex]
[tex]\tt 36.960 = \frac{1}{4} \times 3.14 \times {d}^{2} \times 15[/tex]
[tex]\tt 36.960 = \frac{1}{4} \times {d}^{2} \times 47.1[/tex]
[tex]\tt 36.960 \times 4 = {d}^{2} \times 47.1[/tex]
[tex] \tt 159.840 = {d}^{2} \times 47.1[/tex]
[tex] \tt {d}^{2} = \frac{159.840}{47.1} [/tex]
[tex] \tt {d}^{2} = 3393.6[/tex]
[tex] \tt {d}^{2} ≈3394[/tex]
[tex] \tt d = \sqrt{3394} [/tex]
[tex] \tt d = 58.2[/tex]
[tex] \tt d ≈58 \: cm[/tex]
Opsi D
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