Question

if the perimeter of a rectangle is 390 m and the length is 30m find its area and breadth​

Answer 1

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$4950 {m}^{2}$

Explanation:

hope it's helpful ☺️

Answer 2

Explanation:

let breadth to be X

let length to be X+3

perimeter 30 m

2(l+b) =30

2(X+3+X) = 30

2(2x+3) = 30

2x+3 = 30÷2

2x+3= 15

2x =15-3

2x= 12

x = 6

so it length is x+3 = 6+3 = 9