Q. 543.8( 4 Votes )

A wire is cut into several small pieces. Each of the small pieces is bent into a square of side 2cm. If the total area of the small squares is 28 square cm, what was the original length of the wire?

Answer :

Side of square by bending small piece of wire = 2 cm.


Total area of small squares = 28 sq.cm


Number of small squares = 28 / 4


= 7


Perimeter of small square = 4 × 2


= 8 cm


Perimeter of 7 small squares = 8 × 7


= 56 cm


Hence original length of wire = 56 cm.


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