 
<translate> Mpaghara nke mpụga rektangulu = 24 × 16 = 384 m2 Mpaghara nke rectangle dị n'ime = 20 × 12 = 240 m2 Mpaghara achọrọ = (304 - 180) = 144 m2 Ya mere azịza ya bụ (A). <eng> Area of the outer rectangle = 24 Ã— 16 = 384 m2
Area of the inner rectangle = 20 Ã— 12 = 240 m2
Required area = (304 â€“ 180) = 144 m2 So the answer is (A). 