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The width of a rectangle is a whole number of centimetres. a The length of the rectangle is 9 cm longer than its width. The perimeter of the rectangle is less than 200 cm. Find the greatest possible width of the rectangle.​

The width of a rectangle is a whole number of centimetres a The length of the rectangle is 9 cm longer than its width The perimeter of the rectangle is less tha class=

Respuesta :

babcon1986

Answer:

let w = the width of the rectangle

let w- 9=the length of the rectangle

A= L×W

220=w(w-9)

220=w^-9w

w^-9w-220=0

(w-20)(w+11)=0

w-20=0 or w+11=0

w=20cm or x-11 illogical answer

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