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In circle of radius 6cm, chord of length 10 cm makes an angle of 110° at the centre of circle find

(i) Circumference of the circle

(ii) Area of the circle

(iii) Length of arc

(iv) The area of sector

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(i) Radius of circle (r) = 6 cm

Angle subtended at the centre = 110°

Circumference of the circle = 2πr

= 2 x 22/7 x 6

= 264/7 cm

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