find the length of an arc of a circle of radius 10cm which substends an angle of 45° at the centre.
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Radius of circle= 10 cm
Angle between two radius=45°
Length of arc =2πr*theta/360°
Puting value on formula=
(2*3.14*10)45°/360°=7.85cm
Radius of circle= 10 cm
Angle between two radius=45°
Length of arc =2πr*theta/360°
Puting value on formula=
(2*3.14*10)45°/360°=7.85cm
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