Question

find the perimeter of a rectangle whose L=15 and L:B=5:3​

Answer 1

Step-by-step explanation:

here l= 15

and ratio=5:3

15/b= 5/3

15×3=5b

b= 45/5= 9

P= 2(l+b)

= 2(15+9)

= 2×24= 48 units