Question

Class 10,Maths,Chapter.7-coordinate geometry

in classroom 4 friends are seated at points A,B,C,AND,D as shown in fig.7.8. champa and chameli walk into the class and after observing for a few minutes champa asks chameli
"Don't you think ABCDis a square?"
chameli disagrees. using distance formula,find which of them is correct

this is my question ​

Answer 1

Answer:

Given

A(3,4),B(6,7),C(9,4)andD(6,1)

AB=√(6−3)2+(7−4)2√18=3√2

BC=√(9−6)2+(4-7)2=√18=3√2

CD=√(6−9)2+(1−4)2=√18=3√2

DA=√(6−3)2+(1−4)2=√18=3√2

AC=√(9−3)2+(4−4)2=6

BD=√(6−6)2+(7−1)2=6

hope it will help you

Answer 2

ANSWER

SEE ABOVE ATTACHMENT

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