Civil Service Exam Reviewer · Measurement and Geometry · hard

A 2-m pole casts a shadow 6 m long. At the same time, a building casts a shadow 42 m long. How tall is the building?

  1. 126 m
  2. 38 m
  3. 14 m
  4. 84 m

Answer

C. 14 m

Solution

Similar triangles: H/42 = 2/6 → H = 14 m.

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