Post-UTME Mathematics 2010 Objective — Question 7
Question 7 of 10 from the Post-UTME Screening (Post-UTME) Mathematics 2010 Objective paper, with the correct answer and a full explanation.
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A chord is 5cm from the centre of a circle of diameter 26cm. Find the length of the chord.
- A. 35cm
- B. 30cm
- C. 24cmCorrect
- D. 14cm
Explanation
Radius=13cm. Half-chord = sqrt(13^2-5^2)=sqrt(169-25)=sqrt(144)=12. Full chord = 24cm.
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