Question

(v) length = 30 cm, 3. Find the side of the square whose perimeter is 16 m. 4. Find the cost of fencing a rectangular park of length 40 m and breadth 25 12 per metre. the rate of 4​

Answer 1

Fencing is done at the perimeter so, perimeter of rectangular park=2(l+b)=2(350+250)

⇒2×600=1200m

Rate of fencing per meter=Rs. 18.50

∴   Rate of fencing 1200 m =Rs.8.50×1200

                                              =Rs.22,200

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