Q. 325.0( 1 Vote )

The lawn in front of Molly’s house is 12m × 8m, whereas the lawn in front of Dolly’s house is 15m × 5m. A bamboo fencing is built around both the lawns. How much fencing is required for both?

Answer :

For Molly’s House.


Length, l = 12 m


Breadth, b = 8 m


Perimeter of the lawn = Fencing required = 2 × (l + b)


= 2 × (12 + 8)


= 2 × 20


= 40 m.


For Dolly’s House.


Length, l = 15 m


Breadth, b = 5 m


Perimeter of the lawn = Fencing required = 2 × (l + b)


= 2 × (15 + 5)


= 2 × 20


= 40 m.


So total fencing = 40 + 40


= 80 m.


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