In a garden, there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 meters and a distance of one meter is left form all sides of the boundary of the garden. Find the length of the garden.
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480Q Meter 10-1=9*2+2=20 x 12-1*2+2=26
2( l+b) = 2( 20 +24 ) = 88 Permimeter
Each row contains 12 plants.
There are 11 gapes between the two corner trees (11 x 2) metres and 1 metre on each side is left.
Therefore Length = (22 + 2) m = 24 m.
24 is the right answer
24