ans questions i and ii
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when the side is doubled the area becomes 4 times original area.
when side is halved the area becomes 1/4th the original area .
let the original side be a cm
now original area = a^2 cm^2
now on doubling the side
side becomes
2a
therefore area = 4a^2 cm^2
thus it becomes 4 times
when side is halved
side becomes a/2
therefore area = a^2/4 cm^2 thus it becomes 1/4 th
Hope it helps
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when side is halved the area becomes 1/4th the original area .
let the original side be a cm
now original area = a^2 cm^2
now on doubling the side
side becomes
2a
therefore area = 4a^2 cm^2
thus it becomes 4 times
when side is halved
side becomes a/2
therefore area = a^2/4 cm^2 thus it becomes 1/4 th
Hope it helps
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