Page 59 - rev2 modulmtk

Contoh

Hitunglah Volume bangun datar berikut!

1. Diketahui : = 15 , = 7 , = 5
5 cm
Ditanya : Volume balok ( )

Jawab :
7 cm
15 cm = × ×
= 15 × 7 × 5 = 525 3

2. Diketahui : = 16

Ditanya : Volume kubus ( )
Jawab :

3
3
= = (16 ) = 4.096 3
16 cm
10 cm
Diketahui :
3.

Ukuran kubus : = 10

Ukuran balok :

= 28 , = 10 , = 12

12 cm Ditanya : Volume bangun

ruang keseluruhan ( )

28 cm

3
3
= = (10 ) = 1000 3
= × × = 28 × 10 × 12 = 3.360 3

3
3
= + = 1000 + 3.360 = 4.360 3