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Thursday, 02 April 2026
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Find the radius of a circle in which an arc of length 44cm subtends angle 200° at ...

Find the radius of a circle in which an arc of length 44cm subtends angle 200° at the centre of the circle. [Take π = 22/7]
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  • A 3.9cm
  • B 12.6cm
  • C 25.2cm
  • D 38.4cm
  • E 124.5cm
Correct Answer: Option B
Explanation:
44 = 200/360 x 2 x 22/7 x r
r = 360 x 7 x 44/200 x 2 x 22
= 12.6cm

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