the length of rectangle 2cm more than its bradth .If the length is 3cm more than twice its breadth,the perimeterof the new rectangle is 18 cm more find the dimension of the original rectangle
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length be 2+b, breadth be b
perimeter =2(2+2b)= 4+4b
if
length =3+2b ,breadth b
perimeter =6+6b
6+6b-4-4b=18
2b=16
b=8cm
length 10cm
perimeter =2(2+2b)= 4+4b
if
length =3+2b ,breadth b
perimeter =6+6b
6+6b-4-4b=18
2b=16
b=8cm
length 10cm
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