Luas daerh yng diarsir adalah … Terima kasih

L1 = (a+b)t × 1/2
= (10+20)14×1/2
= 30.7
= 210
L2 = a×t×1/2
= 12×8 × 1/2
= 6×8
= 48
L3 = a×t×1/2
= 18×12×1/2
= 9×12
= 108
L1-L2 = 210-48 = 162
L3-L2 = 108-48 = 60
——– +
222 cm (B)
*maaf kalau salah