Question

??? tingginya 28 cm.. volume nya??

Answer 1

R tabung = 14
t tabung = 28
r besi = 7
t besi = 14

Volume tabung = phi x r^2 x t
= phi x 14 x 14 × 28
= 5.488 phi cm^3

Volume besi = phi x r^2 x t
= phi x 7 x 7 x 14
= 686 phi "?

Volume air = 5.488 phi cm^3 - 686 phi cm^3 = 4.802 phi (D)