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
Answers & Comments
Answer:
We should keep them away because the magnets will lose their properties and will become demagnetised. this is because when kept like this the magnets lose their magnetism. this is why there are magnetic keepers. Magnets can only harm the discharge tube in television.
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