Question

43. Find the percentage increase in the area of the square, if each of its sides is increased by
15%.​

Answer 1

Answer:

The increase in the area of the square is 32.2%

Step-by-step explanation:

Let a be the side of square then the percentage increase in the area of square when side is increased by 10% i.e. side is increased to a + 0.15 a =

1.15 a

= (A2-A1/A1)*100 %

=(1.15 a)^2 -a^2 / a^2 x 100 %

=(1.322 - 1) x 100 %

= = 0.322 x 100 %

= 32.2%

Thus the increase in the area of the

square is 32.2%

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Answer 2

Answer:

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