No 30 dong caranya gimana? Itu cari volume bangun ruang ya

vol limas = 1/3 x La x t
= 1/3 x ( p x l ) x t
= 1/3 x ( 14 x 8 ) x 9
= 1/3 x 112 x 9
= 336 m³

vol balok = p x l x t
= 14 x 8 x 6
= 112 x 6
= 672 m³

maka volume total..
336 + 672 = 1908 m³