Geometry

Question Analysis:
This culinary manufacturing problem combines volume calculation with production cost analysis.
The focus is on applying geometric concepts to business scenarios.

Key Concept Explanation:
Triangular prism volume = (Base × Height ÷ 2) × Length
Total cost = Unit cost × Volume × Quantity

Step-by-Step Solution:
Single bar volume: (4 × 3 ÷ 2) × 20 = 120 cm³
100 bars volume: 120 × 100 = 12,000 cm³
Total cost: 12,000 × 0.05=600

Common Mistakes:
Forgetting to divide by 2 for t...