A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the center of the circle

  • A 2.5cm
  • B 3.0cm
  • C 3.5cm
  • D 4.0cm
waec 2007mathematics

The correct answer is D. 4.0cm

\(5^{2}=3^{2}+x^{2}\\

25-9=x^{2}\\

16=x^{2}\Rightarrow x=4.0\)

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