WAEC Mathematics 2023 Objective — Question 27
Question 27 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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The length of the diagonal of a square is 12 cm. Calculate the area of the square.
- A. 36 cm²
- B. 48 cm²
- C. 72 cm²Correct
- D. 36 cm²
Explanation
By Pythagoras: x²+x²=12² → 2x²=144 → x²=72. Area of square=x²=72 cm².
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