Question

Answer is 200m²
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Answer 1

Answer:

Area of square =side²

=20²

400m²

As half is used

Remaining area will be =400/2

=200m²

Answer 2

Step-by-step explanation:

area of the total plot = a^2

20 x 20

400m^2

area used for hens = 200

as it is half of area of plot

so the remaining plot = 200