BECE Mathematics 2024 Objective — Question 50
Question 50 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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The linear scale factor of two similar shapes is 3:4. If the area of the smaller shape is 81cm², find the area of the bigger one.
- A. 100 cm²
- B. 121 cm²
- C. 132 cm²
- D. 140 cm²
- E. 144 cm²Correct
Explanation
Area scale factor 9:16; 81 x 16/9 = 144 cm².
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