Post-UTME Mathematics 2005 Objective — Question 19
Question 19 of 26 from the Post-UTME Screening (Post-UTME) Mathematics 2005 Objective paper, with the correct answer and a full explanation.
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P,Q and R are located in the horizontal plane such that Q is 12km of P and R is on a bearing of 270 from P. [PR]=6km. Calculate [QR] correct to one decimal place
- A. 18km
- B. 13.4kmCorrect
- C. 13km
- D. 10.4km
Explanation
Using the cosine rule with the given bearings and distances in the diagram gives a result closest to 13.4km.
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