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A triangular park ABC has sides 120m, 80...

A triangular park ABC has sides 120m, 80m and 50m. A gardener Dhania has to put a fence all around it and also plant grass inside. How much area does she need to plant? Find the cost of fencing it with barbed wire at the rate of Rs 20 per metre leaving a space 3m wide for a gate on one side.

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To solve the problem step by step, we will follow the necessary calculations to find the area of the triangular park and the cost of fencing it. ### Step 1: Identify the sides of the triangle Given: - Side A = 120 m - Side B = 80 m - Side C = 50 m ...
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A triangular pack A B C HAS SIDES 120 m ,\ 80 m\ a n d\ 50 m . (See in Figure). A gardener Dhania has to put a fence all around it and also plant grass inside. How much area does she need to plant? Find the cost of fencing it with barbed wire at the rate of Rs. 20 per metre leaving a space 3m wide for a gate on one side.

Find the cost of fencing a square park of side 300m at the rate of Rs. 20 per metre.

Knowledge Check

  • The area of a circular field is 2464 m^(2) . Find the cost of fencing it at the rate of Rs. 6.50 per metre .

    A
    Rs. 2144.
    B
    Rs. 1144.
    C
    Rs. 1244.
    D
    Rs. 1844.

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