A rectangle garden is 100 m $$\times$$ 80 m. There is a path along the garden and just outside it. Width of the path is 10m. The area of the path is
Width of path = 10m.
Hence length and width of outer triangle will be = 110 and 90 respectively.
So area of path will be (110*90-100*80) = 1900 sq. m.
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