5. In a classroom, 4 friends arseated at the points A, B, C andD as sh – InterviewSolution

1.	5. In a classroom, 4 friends arseated at the points A, B, C andD as shown in Fig. 7.8. Champaand Chameli walk into the classand after observing for a fewminutes Champa asks Chameli,"Don't you think ABCD is a Rosquare?" Chameli disagrees.Using distance formula, find
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