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A chord drawn 5 cm away from the center of a circle of radius 13 cm. Calculate the ...

A chord drawn 5 cm away from the center of a circle of radius 13 cm. Calculate the length of the chord
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  • A 7cm
  • B 9cm
  • C 12cm
  • D 24cm
Correct Answer: Option D
Explanation:

x2 + 52 = 132

x2 + 25 = 169

x2 = 144

x = √ 144

= 12

Length of the chord AB = 2x

2*12= 24cm

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