Gak paham,bantu isi nomor 33 dong!

r=9
t.tab = 18
t. kerucut = 12

maka vol tab = π[tex] r^{2} [/tex]t = 9.18.π =1458π
vol kerucut = [tex] \frac{1}{3} [/tex] π[tex] r^{2} [/tex] t = [tex] \frac{1}{3} [/tex]. 12.9.π = 324π
maka vol nya = 1458π+324π = 1782π (jawaban b)