Panjang jari jari kerucut 7cm jika tinggi kerucut 9cm volme kerucut??

V = 1/3.Luas alas.tinggi
[tex]v = \pi r {}^{2} \times t \\ \: \: \:= \frac{22}{7} \times 7 {}^{2} \times 9 \\ \: \: \: = \frac{22}{7} \times 49 \times 9 \\ \: \: \: = 22 \times 7 \times 9 \\ \: \: \: = 1.386 cm3[/tex]