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Quantitative Aptitude

Polygons(n>3)

A square fiel...

Question

A square field has length of 4 meter. On the one corner of the square, a cow is tied with the rope length of 5 meter. The maximum area, cow can graze is ___ $m^{2}$ (Approximately)

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Solution

Required area = Area of triangle ABF + Area of triangle ADE + Area of sector AEF
This is approximately equal to area of square - area of triangle CFE = 16 - 0.5 = 15.5 meter $^{2}$ .

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