tolong di bantu no 24

L = (jumlah sisi sejajar)/2 × t
= (16+24)/2 × 12
= 40/2 × 12
= 20 ×12
= 240 cm2

24.L1=p×l
=24×12
=288cm2
L2=a×t÷2
=24×16÷2
=384÷2
=192cm2
Luas gabungan = 288+192
=480cm2(c)