4. Volume = 8 dm 18 dm 6 dm​

Diketahui:

• a = 6 dm
• t = 8 dm
• T = 18 dm

Ditanyakan:

• V = … dm³?

Penyelesaian:

V = La × T

V = ½ × a × t × T

V = ½ × 6 × 8 × 18

V = 3 × 8 × 18

V = 24 × 18

V = 432 dm³