GeometryQuestion 429 of 550

Two triangles are similar. Matching sides are 3 cm and 6 cm. The smaller triangle has an area of 10 cm². What is the area of the larger triangle?

  1. 20 cm²
  2. 30 cm²
  3. 40 cm²
  4. 60 cm²
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Correct answer: 40 cm²

The scale factor is 2. The ratio of areas is 4. Area = 10 × 4 = 40 cm².

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Questions last reviewed: 21 October 2026