JAMB Mathematics 2015 Objective — Question 5
Question 5 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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In the figure, find the value of x.
- A. 5√3cmCorrect
- B. 4√3cm
- C. 20√3cm
- D. 10√3cm
Explanation
By the sine rule, x/sin60° = 10/sin90°, so x = 10×(√3/2) = 5√3cm.
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