Geometry

Question Analysis:
This involves a rectangular base — be sure to multiply correctly.

Key Concept Explanation:
Volume = (1/3) × base area × height; base area = length × width.

Step-by-Step Solution:
Base area = 10 × 9 = 90 m²
Volume = (1/3) × 90 × 6 = 540 ÷ 3 = 180 m³

Common Mistakes:
Using only one base side; forgetting (...