volume bangun berikut adalah

R =1/2 x 14
= 7 cm
t = 12-7
= 5 cm
volume = ( π x r² x t) +( 2/3 x π x r³)
= ( 22/7 x 7 x 7 x5) + (2/3 x 22/7 x 7 x7 x7)
= ( 22 x 35) + ( 2/3 x 22 x 49)
= 770 + 718,67
= 1488,67 cm³
jawaban A