Question

breadth is 5cm ,perimetre is 28 cm find length​

Answer 1

Answer:

9cm

Step-by-step explanation:

We know that

perimeter of rectangle = 2 × (l + b)

where l and b are length and breadth

Solution

let length of rectangle = l

now

according to question

=> 2 ( l + 5) = 28

=> (l + 5) = 28 /2 = 14

=> l = 14 - 5 = 9 cm Answer

Hope it helps..

Answer 2

Answer:

perimeter = 2 (L+b)

28=2 (L+5)

L+5=28÷2

L=14-5

L=9