dijawab gan mohon plzzzz

L = ½ × ( a + b ) × t
= ½ × ( 10 + 6 ) × 5
= ½ × 16 × 5
= 40 cm²

L = ½ × ( a + b ) × t
= ½ × ( 16 + 12) × 8
= ½ × 28 × 8
= 112 cm²