Question

find the cost of fencing a rectangular park of length 250 metre and breadth 175 metre at the rate of Rs 12 per metre​

Answer 1

Answer:

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Step-by-step explanation:

Q. Find the cost of fencing a rectangular park of length 250 metre and breadth 175 metre at the rate of Rs 12 per metre.

Solution:

Length of the rectangular park = 250 m

Breadth of the rectangular park = 175 m

We know,

Perimeter of rectangle = 2 ( l + b )

So, Perimeter of the rectangular park

= 2 ( 250 + 175 ) m

= 2 * 425 m

= 850 m

Cost of fencing 1 m of park = Rs. 12

Therefore, Total cost of fencing the park

= 850 m * Rs. 12

= Rs. 10200

Ans. The total cost for fencing the park will be Rs. 10200

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Answer 2

★ Given :-

• Length of the rectangular park = 250m

• Breadth of the rectangular park= 175m.

• Cost of fencing 1m of park = ₹12.

★ To Find :-

• find the cost of fencing ?

★ Solútion :-

［ To calculate the cost of fencing we require perimeter. ］

◆ We know that,

Perimeter of the rectangle = 2 ( length + breadth )

Now substitute the values :-

↦ Perimeter of the rectangle = 2 ( 250m + 175m )

↦ Perimeter of the rectangle = 2 (425m )

↦ Perimeter of the rectangle = 850m

↦ Cost of fencing 1m of park = ₹12.

↦ Therefore, The total cost of fencing the park = ₹12 × 850 = ₹10200

■ Hence, the cost of fencing a rectangular park is ₹10200.

✦ Formula to be remembered :- ✦

• Perimeter of rectangle = 2 × ( length + breadth )

• Perimeter of square = 4 × length of its side

• perimeter of an equilateral triangle = 3 × length of a side

• Area of a rectangle = length × breadth

• Area of a square = side × side

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