Question

perimeter of a rectangle is 13 cm. If its breadth is 2 3/4 cm then find its length​

Answer 1

Answer:

hey there!

Step-by-step explanation:

The perimeter of a rectangle is 13 cm and its breadth is 2 3/4cm

let lenght be l

now  

=> 11/4 cm

perimeter of rectangle = 2(l+b)

so ,

13 =  2(l+b)

13 =  2(l+11/4)

13 = 2l +11/2

13 - 11/2 = 2l

26-11/2 = 2l

15/2 = 2l

=>l= 15/2*2

=>l = 15/4cm 

hope it helps u

:)

Answer 2

Answer

Step-by-step explanation:

Perimeter of a rectangle = 2(l +b)

Ie, 2(l+b) = 13

2(l+ 23/4) =13

l +23/4 = 13/2

l = 13/2 * 4/23

l = 26/23