WAEC Mathematics 2018 Objective — Question 49
Question 49 of 50 from the West African Examinations Council (WAEC) Mathematics 2018 Objective paper, with the correct answer and a full explanation.
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The diagonals of a rhombus WXYZ intersect at M. If |MW| = 5cm and |MX| = 12cm, calculate its perimeter.
- A. 42cm
- B. 48cm
- C. 52cmCorrect
- D. 60cm
Explanation
Rhombus diagonals bisect at right angles, so each side = √(5²+12²)=13cm. Perimeter = 4×13 = 52cm.
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