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Question

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.


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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Mathematics

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