Dik volume kerucut 3696 dan tinggi 18 berapa panjang jari jari alas

Vkerucut = 1/3 x 3,14 x r x r x t
3696 = 1/3 x 3,14 x r x r x 14
11088 = 3,14 x r x r x 14
729 = 3,14 x r x r
252,22 = r^2
r = 15,88 = 16