volume benda tsb adalah?

r = d : 2 = 12 : 2 = 6 cm
t = 8 cm

Volume kerucut = 1/3 π r² t = 1/3 x π x 6² x 8 = 96π
Volume 1/2 bola = 1/2 4/3 π r³ = 1/2 x 4/3 x π x 6³ = 144π

Volume benda = Volume kerucut + Volume 1/2 bola
Volume benda = 96π + 144π
Volume benda = 240π cm³ (A)