1.

the length of a rectangle is 27m longer than its breath. If the perimeter of rectangle is 110m, find its area.

Answer»

l=b+27. Perimeter= 2(l+b) => 110= 2(2b+27)=> 55-27 =2b=> 2b = 28=> b= 14. l= b+27=> l= 14+27=> l= 41m. Area =l*b= 41*14= 574 sq metres



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