Civil Service Exam Reviewer · Measurement and Geometry · hard

A 1-m pole casts a shadow 4 m long. At the same time, a building casts a shadow 48 m long. How tall is the building?

  1. 192 m
  2. 45 m
  3. 12 m
  4. 48 m

Answer

C. 12 m

Solution

Similar triangles: H/48 = 1/4 → H = 12 m.

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