Example 10 The perimeter of a rectangular field is 100 m.NIf the lengt – InterviewSolution

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Example 10 The perimeter of a rectangular field is 100 m.NIf the length of the field is 30 m, find the area of the field

Answer»

Perimeter = 2(l+b)=> 2(30+b) = 100=> 30 + b = 50=> b = 20m.

Area = l*b = 30*20= 600 sq m.

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