Each side of square flower bed is $3$ m $80$ cm long.it is extended by digging a strip $50$ cm in all around it.find the area of the enlarged flower bed and also the increase in the area of flower bed.

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Solution

Each side of flower bed $= 3.8$ m
Area $= 3.8 \times 3.8$ sq.m
Area of flower bed before extension $= 14.44$ sq m
If it is extended by digging a strip of $50$ cm wide all around it, then the new side will be $= 3.8 + 1.0 = 4.8$ m
Area of the flower bed after extension $= 4.8 \times 4.8$
Area of enlarged flower bed $= 23.04$ sq m
Increase in the area of flower bed $= 23.04 - 14.44 = 8.6$ sq m

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Each side of square flower bed is 3m 80cm long.it is extended by digging a strip 50 cm in all around it.find the area of the enlarged flower bed and also the increase in the area of flower bed.

Each side of square flower bed is $3$ m $80$ cm long.it is extended by digging a strip $50$ cm in all around it.find the area of the enlarged flower bed and also the increase in the area of flower bed.