Question

the perimeter of rectangle is 13 cm and it's width is 2 3/4 cm find its length​

Answer 1

Answer:

Let 'l' and 'b' the length and width of the rectangle respectively.

Given, b=2

4

3

​

cm

=

4

11

​

cm

and perimeter of the rectangle = 13 cm

2(l+b)=13

⇒2l+2b=13

⇒2l+2(

4

11

​

)=13

⇒2l+

2

11

​

=13

⇒2l=13−

2

11

​

⇒2l=

2

26−11

​

⇒l=

4

15 cm

∴ length of the rectangle =  

4/15cm