Explanation:
Volume of Container A
= (8cm)(8cm)(12cm) = 768cm³.
Volume of water = 2/3 * Volume of Container A
= (2/3) * 768cm³ = 512cm³.
Base Area of Container B
= (10cm)(10cm) = 100cm².
Hence Depth of water in Container B
= 512cm³ / 100cm² = 5.12cm.