Two similar shapes have corresponding lengths in the ratio 1 : 3. The smaller has area 12 cm². The area of the larger is:

  1. 36 cm²
  2. 324 cm²
  3. 120 cm²
  4. 108 cm²
Answer

D) 108 cm²

Area ratio = 1 : 9, so the larger area is 12 9 = 108 cm². SLO M-09-B-17 · Understanding

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