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WAEC Mathematics 2016 Objective — Question 25

Question 25 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

25. Calculate the length PQ. A. 4√11 B. 4√10 C. 2√17 D. 2√13

A. 4√11
B. 4√10
C. 2√17
D. 2√13Correct

Explanation

PQ=√[(8-2)²+(5-1)²]=√(36+16)=√52=2√13.

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