in a circle of diameter 40 cm the length of a chord is 20 cm. find the length of the minor arc of the chord
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I have used proportion by logic becz ratio of arc to circumference is equal to angle (subtended by the arc at centre) to (angle around the centre=360°)
I have used proportion by logic becz ratio of arc to circumference is equal to angle (subtended by the arc at centre) to (angle around the centre=360°)
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