A composite solid is made by placing a small cube on top of a larger cuboid. The larger cuboid is 10 cm long, 8 cm wide and 6 cm tall. The small cube has an edge length of 4 cm. What is the total volume of the composite solid?
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Worked Solution
Step 1: Find the volume of the larger cuboid.
10 × 8 × 6 = 480 cm³
Step 2: Find the volume of the small cube (edge = 4 cm).
4 × 4 × 4 = 64 cm³
Step 3: Add the two volumes.
480 + 64 = 544 cm³
Total volume = 544 cm³
Correct answer: 544 cm³
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