In a rectangular field of dimensions 60m X 50m, a triangular park is constructed. If the dimensions of the park is 51m , 37m and 20 m , find the area of the remaining field.
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area of rectangle- area of triangle = area of remaining field
now 60 × 50 - area of triangle by herone formula = area of remaining field
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↛ Area of rectangular field = length × breadth
= 60 × 50 = 3000msq.
✯ Now, a = 51m, b = 37m, c = 20m
✯ By Heron's formula :
✯ Hence, the remaining area = Area of rectangle - Area of traingle
→ 3000 - 93636 = 90636msq.
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