The length of a rectangular floor is $20$ m more than its breadth. If the perimeter of the floor is $280$ m, what is its length?

Open in App

Solution

Let Breadth $= x$
Length $= x + 20$

Perimeter of a rectangle = $2 (L + B)$
$= 2 (x + 20 + x)$
$= 4 x + 40$
Given perimeter $= 280$
$4 x + 40 = 280$
$4 x = 240$
$x = 60$

Therefore, $b r e a d t h = 60 l e n g t h = 80$

Suggest Corrections

Similar questions

Half the perimeter of a rectangular room is 46 m, and its length is 6 m more than its breadth. What is the length and breadth of the room?

Q. At the rate of Rs. 2 per sq m, cost of painting a rectangular floor is Rs 5760. If the length of the floor is 80% more than its breadth, then what is the length of the floor?

Q. The length of a rectangular room is 6 m more than its breadth. If half the perimeter is 46 m, find its breadth.

The perimeter of the rectangular swimming pool is $154 m$ . Its length is $2 m$ more than twice its breadth. What is the length and breadth of the rectangular swimming pool?

Half the perimeter of a rectangular room is 46 m, and its length is 6 m more than its breadth. What is the length and breadth of the room?

Join BYJU'S Learning Program

The length of a rectangular floor is 20m more than its breadth. If the perimeter of the floor is 280m, what is its length?

Let Breadth =x Length =x+20Perimeter of a rectangle = 2(L+B) =2(x+20+x) =4x+40Given perimeter =2804x+40=2804x=240x=60Therefore, breadth=60length=80

The length of a rectangular floor is $20$ m more than its breadth. If the perimeter of the floor is $280$ m, what is its length?

Let Breadth $= x$
Length $= x + 20$

Perimeter of a rectangle = $2 (L + B)$
$= 2 (x + 20 + x)$
$= 4 x + 40$
Given perimeter $= 280$
$4 x + 40 = 280$
$4 x = 240$
$x = 60$

Therefore, $b r e a d t h = 60 l e n g t h = 80$