BECE Mathematics 2022 Objective — Question 49
Question 49 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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The linear scale factor of two similar shapes is 2:5. If the area of the smaller shape is 120 cm², what is the area of the bigger shape?
- A. 240cm²
- B. 480cm²
- C. 500cm²
- D. 600cm²
- E. 750cm²Correct
Explanation
Area scale factor = 2² : 5² = 4 : 25. Bigger area = 120 × 25/4 = 750 cm².
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