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BECE Mathematics 2025 Objective — Question 38

Question 38 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2025 Objective paper, with the correct answer and a full explanation.

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Which of the following angles cannot be constructed with a ruler and a pair of compasses only?

  • A. 105°
  • B. 120°
  • C. 135°
  • D. 145°Correct

Explanation

The others are multiples of 15°; 145° is not.

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