Question

what is the Perimeter of a rectangle is 24cm. If the Length is 7cm, find its breadth.

Answer 1

Answer:

The breadth is 5 cm

Step-by-step explanation:

let a = length and breadth = b

2( a+b ) = Perimeter of Rectangle

2( 7+b ) = 24

14 + 2b = 24

2b = 24 - 14

2b = 10

b = 5

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Answer 2

5cm

Step-by-step explanation:

Let us take the breath to be 'b'

WKT, perimeter of a rectangle = 2(l+b)

Also, we are given that,

Perimeter of the rectangle = 24 cm

So,

24cm = 2(l+b)

24 = 2(7+b) (l=7 cm given)

24/2 = 7+b

12= 7+b

12-7=b or => b=5

Hence breadth of the rectangle = 5cm

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