tolong jawab no 28-29

NO29
60cm×50cm×35cm=52.500cm(c)

28) bangun 1=sxsxs
=5x5x5
=125cm
bangun 2=pxlxt
=5x9x18
=810 cm
125+810=935cm
note:bangun 1=kubus
bangun 2=balok
29) pxlxt
=60x50x35
=105.000
=105.000:2=52.500cm
semoga membantu