Two similar shapes have corresponding lengths in the ratio 3 : 5. The smaller has area 18 cm². The area of the larger is:

  1. 50 cm²
  2. 30 cm²
  3. 2503 cm²
  4. 68 cm²
Answer

A) 50 cm²

Area ratio = 9 : 25, so the larger area is 18 259 = 50 cm². SLO M-09-B-17 · Understanding

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