A rectangular field is 4 m x 81 m. A person wants to fence a square field that has the same area as the rectangular field. How long are the sides of the square field?
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Rectangle Area = 4m × 81m
= 324 m^2
Square Area = 324m^2
a^2 = 324m^2
a = 18m
Total long of Square Area = 4a
= 4 × 18 m
= 72m
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Answer:
Area of Square= (4*81)m² = 324m².
Let length of sides of field be x metre.
We know, side²=area of square
x²= 324m²
x=✓324
x= 18m
So, length of square field is 18m.
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