tolong ya kak no 4-5

4.volume balok=pxlxt
=25 x y x17
=5950cm³
y=5950:25x17
y=5950:425
y=14
nb: y=lebar

5.bangun 1=pxlxt
= 5x12x9
=540cm³

bangun 2=pxlxt
=10x12x6
=720cm³

volume gabungan=540
720
-------- +
1260
semoga membantu