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- a circular wire of radius 3 cm is cut and bent so as to lie along a circle of radius 48 cm . find the angle subtended by wire at
a circular wire of radius 3 cm is cut and bent so as to lie along a circle of radius 48 cm . find the angle subtended by wire at centre of circle.
Answers (1)
@Yukta
Radius of the circular wire =3 cm.
∴ Length of the circular wire = 2π × 3 = 6π cm [
Circumference = 2π r]
Radius of the hoop = 48cm.
Let θ be the angle subtended by the wire at the centre of the hoop. Then,
θ = arc/radius
θ =6π /48 = π/8
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