ncert book 10th exercise 7.2
QUESTION NO.3 solution
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Answers
Answer:
given
line segment drawn with chalk powder at distance 1 metre each and hundred flowers have been placed at a distance of 1m from each other along a AD
so,place of Niharika=1/4*AD
=1/4*100
=25.
now, distance of Preeti=1/5*AD
=1/5*100
=20
now Niharika at (2,25)
and Priti at (8,20)
distance between both flag=distance formula between
Niharika and Priti
=√(8-2)sq+(20-25)sq
=√36+25
=√61
so Rashmi has to post on 5th line her blue flag