Q. 25.0( 1 Vote )

How much will it

Answer :


Length of one side of the triangle (a) = 11 m

Length of second side of the triangle(b) = 61 m

Length of third side of the triangle (c) = 60 m

Semi perimeter (s) =

According to Heron’s formula

Area of the triangle = √(s(s-a)(s-b)(s-c))

Area of the triangle = 330 sq m

Rate of weeding = Rs 2 per sq m

Total cost = (330 × 2) = Rs 660

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