Question

The perimeter of a rectangle is 18 feet, and the area of the rectangle is 14 square feet, what is the width & length?

Answer 1

Length = 7 ft and Width =2 ft

Explanation:

Let l be the lengty and b be the width of the rctangle. `2*l+2*b=18` (given) and `l*b=14` (given) `l+b=9 or l=9-b` Now `(9-b)*b=14 or 9*b-b^2=14or b^2-9*b+14=0 or (b-7)(b-2)=0 :. b=2 or 7`when `b=2 ; l=9-2=7` when `b=7; l=9-7=2`[Ans]