Three girls Reshma, Salma and Mandip are playing a game standing on a circle

Three girls Reshma, Salma and Mandip are playing a game standing on a circle of radius 5m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If distance between Reshma and Salma and between Salma and Mandip is 6m each, what is the distance between Reshma and Mandip?

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