A flower bed is in the shape of a square with a side $3.5$ m. Each side is to be fenced with $4$ rows of ropes. Find the cost of rope required at Rs. $15$ per meter.

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Solution

Perimeter of Flower bed $= 4 \times 3.5$
$= 14$ m
Each side is to be fenced with $4$ rows of rope
Therefore, the length of rope required $= 4 \times 14$
$= 56$ m
Cost of $1$ metre of rope $=$ Rs. $15$
Cost of $56$ metre of rope $= 15 \times 56$
$=$ Rs. $840$ .

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A flower bed is in the shape of a square with a side 3.5 m. Each side is to be fenced with 4 rows of ropes. Find the cost of rope required at Rs. 15 per meter.

Perimeter of Flower bed=4×3.5=14 mEach side is to be fenced with 4 rows of ropeTherefore, the length of rope required=4×14=56mCost of 1 metre of rope=Rs. 15Cost of 56 metre of rope=15×56=Rs. 840.

A flower bed is in the shape of a square with a side $3.5$ m. Each side is to be fenced with $4$ rows of ropes. Find the cost of rope required at Rs. $15$ per meter.

Perimeter of Flower bed $= 4 \times 3.5$
$= 14$ m
Each side is to be fenced with $4$ rows of rope
Therefore, the length of rope required $= 4 \times 14$
$= 56$ m
Cost of $1$ metre of rope $=$ Rs. $15$
Cost of $56$ metre of rope $= 15 \times 56$
$=$ Rs. $840$ .