Question

(10) The perimeter of rectangle ABCD is 36, If AB : BC = 4 : 5, then the
length of BC is ......​

Answer 1

Answer:

20...........................

Answer 2

Answer:

BC=10

Step-by-step explanation:

perimeter of rectangle = 2(l+b)

2 (5x+4x)=2×9x

=18x

perimeter =36..........given

18 x=36

x=36/18

x=2

BC=5x=5×2=10