express the following information in mathematical from using variables x and y the perimeter of a rectangle is 40 cm​

2 thoughts on “express the following information in mathematical from using variables x and y the perimeter of a rectangle is 40 cm​”

1. Answer:

   2(x+ y) = 40 cm

   or, x+y= 40/2=20 cm

   or, x + y = 20 cm, the required answer

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2. Answer:

   ⇒length=x

   ⇒breath=y

   perimeter of a rectangle is= 40 cm

   ⇒perimeter of a rectangle=2(l+b)

   ⇒ 2(x+y)=40

   ⇒ x+y=40/2

   ⇒ x+y=20

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