Question

Tolong bantuin dong, pke Cara yaa, PR nieh, buat besok..

Answer 1

9. 2(30 x 30 x 10) + (30 x 10 x 10)
18000 + 3000
21000cmkubik

10. 2(5 x 5 x 30) + (10 x 5 x 5)
1500 + 250
1750cmkubik

Answer 2

9) volume =  2 (30 x 30 x 10) + (30 x 10 x 10)
               = 18000 + 3000
               = 21.000 cm³

10) volume = 2 (5 x 5 x 30) + (10 x 5 x 5)
                = 1500 + 250
                = 1.750 cm³

semoga membantu ya :)