NCERT Exercise 7.1 - Q5 - Coordinate Geometry
Question: In a classroom, 4 friends are seated at points A(3, 4), B(6, 7), C(9, 4) and D(6, 1). Champa and Chameli walk in and observe. Champa asks Chameli, 'Don't you think ABCD is a square?' Chameli disagrees. Using distance formula, find which of them is correct. A(3, 4) B(6, 7) C(9, 4) D(6, 1) X
Answer: Champa is correct (ABCD is a square).
Full step-by-step NCERT solution with diagrams on Something by Zero.