The length of a rectangular park is 5/6m of its breadth, if its perimeter is 132m, then find it area.
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let breath be x
so lenght will be 5x/6
2(l+b) = perimeter
2( x + 5x/6 ) = 132
2 × 11x/6 = 132
11x/6 = 132/ 2
11x =66 ×6
x = 66 × 6 / 11
x = 36m
hence, breadth = x = 36 m
length = 5x/6
5×36/ 6 = 30m
so lenght will be 5x/6
2(l+b) = perimeter
2( x + 5x/6 ) = 132
2 × 11x/6 = 132
11x/6 = 132/ 2
11x =66 ×6
x = 66 × 6 / 11
x = 36m
hence, breadth = x = 36 m
length = 5x/6
5×36/ 6 = 30m
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