A circular wire of radius 9 cm is cut and bent again into an arc of a circle of radius 24 cm.
The angle subtended by the arc at the centre is
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Answer:
210
Step-by-step explanation:
Given, radius of circular wire =7 cm
Circumference of wire =2πr=2π(7)=14π
Radius of arc =12 cm
Angle subtended by the arc =
radius
arc = 12
14π = 6
7πAngle subtended by arc =6
7π × π180
=210 ∘
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