The length of a rectangular room is 3 meters more than the twice the breadth of the hall. What is the length if the breadth is ‘x’ meters?
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Let breadth of. rectangle be x
length =3+2x
perimeter=66
then 2(L+B)=66
2(3+2x+x)=66
2(3+3x)=66
6+6x=66
x=10.
then length equals to 3+20=23metre
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