Tentukan volume kerucut diatas!
Dikumpulin besok jangan ngasal ya
Dikumpulin besok jangan ngasal ya
![](https://id-static.z-dn.net/files/dc1/521cd9fe920491638bd51fea721912ef.jpg)
Diketahui :
jari² (r) = 15 cm
tinggi (t) = 20 cm
Ditanya :
volume (v) ... ?
Jawaban:
[tex]v = \frac{1}{3} \times \pi {r}^{2} t \\ \\ = \frac{1}{3} \times 3.14 \times {15}^{2} \times 20 \\ \\ = \frac{1}{3} \times 3.14 \times 225 \times 20 \\ \\ = \frac{1}{3} \times 14.130 \\ \\ = 4.710 \: {cm}^{3} [/tex]