Question

if the sides of a square is increased by 35% then what percent does the area of the square increase by?

Answer 1

let the side of square be x

so, the area will be x²

now, increasing the side by 35% = x + 35% × x

= 57x / 50

so now the new area = 3249x²/ 2500

so now the new area is increased by 749x² /2500

therefore the area increases by 749 / 2500 of its original area

Answer 2

Answer: 749/2500 of original area

i prefer to use a so let the side of square be a

so, the area will be a²

now, increasing the side by 35% = a + 35% × a

= 57a / 50

So the new area = 3249x²/ 2500,

So the new area is increased by 749x² /2500,

So the area increases by 749 / 2500 of its original area.

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