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8. In a circle of diameter 40 cm, the length of a chord is 20 cm. Find the lengthof minor arc of the chord. |
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Answer» Diameter=half of radiusso it will be 20 cm connect end points of chord and centre of the circleso every side will be equal so it will be a equilateral triangle and all side will be 60° therfore minar arc = 60°and major arc = 360-60=300° |
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