A solid is built using 1-cm unit cubes. The bottom layer is a 3 × 2 rectangle (3 cubes long, 2 cubes wide). On top of that, a 2 × 1 rectangle of cubes (2 cubes long, 1 cube wide) is placed. What is the volume of the solid?
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Worked Solution
Step 1: Count the cubes in the bottom layer: 3 × 2 = 6 cubes.
Step 2: Count the cubes in the top layer: 2 × 1 = 2 cubes.
Step 3: Total volume = 6 + 2 = 8 unit cubes = 8 cm³.
Answer: 8 cm³
Correct answer: 8 cm³
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