Question

see question no 9 and answer

Answer 1

Area will become 4 times the original area.

Answer 2

the area become 4 times
because area of square=
${x}^{2}$
if side is double
area become
$(2 {x})^{2} \\ = 4 {x}^{2}$
i.e. 4 times the original



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