Question

Find the cost of fencing a rectangular park of length 20 m and breadth 15.5 m at the rate of 15
per metre.
​

Answer 1

Answer:

the correct answer is Rs.1065

Step-by-step explanation:

The Perimeter of rectangular park = 2 (l+b)

$2(20 + 15.5)$

$2 \times 35.5$

$71m$

thus the total cost =71×15= 1,065

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Answer 2

Given :-

• The Length of rectangular park = 20m

• The breath of rectangular park = 15.5m

Solution :-

Perimeter of rectangle = 2 ( l + b)

Here,

Length = 20m And breath = 15.5m

Put the required values in the formula,

Perimeter of rectanglular field

= 2( 20 + 15.5 )

Perimeter of rectanglular field = 2 ( 35.5 )

Perimeter of rectanglular field

= 2 * 35.5 = 71 m

The rate of fencing a rectangular park at Rs 15 per m

Therefore,

The rate of fencing 71 m = 71 * 15

= Rs 1065 $.$