Volume bangun tersebut adalah...cm3

V = La × t.
V = (½ × a × t) × t.
V = (½ × 16 × 15) × 31.
V = (½ × 240) × 31.
V = 120 × 31.
V = 3.720cm³.

=(16 x 15 ÷ 2 )x 31
=120 x 31
=3720