# A rhombus shaped field has green grass for 18 cows to graze. If each side of the rhombus is 30 m and its longer diagonal is 48 m, how much area of grass field will each cow be getting?

Diagonals divide the rhombus ABCD into two congruent triangles of equal area. Semi perimeter of = 54 m

Using Heron’s formula,

Area of =  = = 432 m2

Area of field = 2 x area of  = 864 m2

Thus,

Area of grass field which each cow will be getting = = 48 m2

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