Civil Service Exam Reviewer · Measurement and Geometry · hard

A garden 40 m by 36 m is surrounded by a walkway 3 m wide. What is the area of the walkway?

  1. 492 m²
  2. 237 m²
  3. 456 m²
  4. 1932 m²

Answer

A. 492 m²

Solution

Outer rectangle = 46 × 42 = 1932 m². Minus garden 1440 m² = 492 m².

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