Question

Four cows are tethered at four corners of a square plot of side 50m, so that they just cannot reach one another. What area will be left un-grazed?

Answer 1

Answer:

Side of square plot (s) = 50m

Area grazed by four cows is area of sectors represented by 1, 2, 3 and 4.

Radius of each quadrant = 25m = r.

Area of square plot = s²=50²=2500m²

area of each Quadrant=1/4πr²=1/4×22/7×25×25=625×3.14×1/4

Area of ungrazed land = (area of square plot) – 4(area of quadrant) =2500-4{625×3.14×1/4}=2500-1962.5=537.5m²

Step-by-step explanation:

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Answer 2

Answer:

area of square = 50×50

=2500m^2

area of 4 quadrants = 4×πr^2/4

= πr^2

=22/7×25×25

= 1,964.28m

= 535.72 m