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A wire of length 15 cm is bent to form an arc of a circle with radius 6 cm. Find in radians the angle subtended at the centre.
  • a)
    2.5 radians
  • b)
    3.5 radians
  • c)
    4 radians
  • d)
    3 radians
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A wire of length 15 cm is bent to form an arc of a circle with radius ...
Length of arc = 15 cm
Radius: R = 6 cm
Arc length = R*θ
(θ is the angle subtended by the arc)
15 = 6*θ
θ = 5/2 radians
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Most Upvoted Answer
A wire of length 15 cm is bent to form an arc of a circle with radius ...
Arc length =radius × teta 15 = 6 ×teta ie 15÷6 = teta the answer is 2.5 radians
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Community Answer
A wire of length 15 cm is bent to form an arc of a circle with radius ...
Length of arc = 15 cm
Radius: R = 6 cm
Arc length = R*θ
(θ is the angle subtended by the arc)
15 = 6*θ
θ = 5/2 radians
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A wire of length 15 cm is bent to form an arc of a circle with radius 6 cm. Find in radians the angle subtended at the centre.a)2.5 radiansb)3.5 radiansc)4 radiansd)3 radiansCorrect answer is option 'A'. Can you explain this answer?
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