101 Labs - CompTIA Network+: Hands-on Practical Labs for the CompTIA Network+ Exam (N10-007)

101 Labs - CompTIA Network+: Hands-on Practical Labs for the CompTIA Network+ Exam (N10-007)

Matematika tentukan volume bola berikut 21 cm !​

tentukan volume bola berikut 21 cm !​

Jawaban:

Rumus

[tex]v = \frac{4}{3} \pi {r}^{3} [/tex]

Cara

r = 21 cm

[tex]v = \frac{4}{3} \times \frac{22}{7} \times 21 \times 21 \times 21[/tex]

[tex]v = 4 \times 22 \times 3 \times 7 \times 21[/tex]

[tex]v = 38.808 \: {cm}^{3} [/tex]

Jadi volume bola adalah 38.808 cm³

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