PDF chapter test TRY NOW
In a classroom, \(4\) friends are seated at the points \(A, B, C\) and \(D\) as shown in the following figure. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, “Don’t you think \(ABCD\) is a square?” Chameli disagrees. Using distance formula, find which of them is correct.
![YCIND_240304_6079_graph_2.png](https://resources.cdn.yaclass.in/a36c8c82-803b-4258-8da7-cf254fc681ef/YCIND2403046079graph2w400.png)
Ans:
Champa was