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

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1.	5. In a classroom, 4 friends areseated 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 Rsquare?" Chameli disagreesUsing distance formula, findwhich of them is correct.
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