Question

The sides of a square is
decreased by 20%. By how
much percentage with its area
decrease ?​

Answer 1

Answer:

Step-by-step explanation:

For example let the side of the original square be 100 cm .

Then the area is 10,000cm^2

If side is de reased by 20% then, side becomes 80 cm

Then the area is 6,400cm^2

So the area is decreased by 36%

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